1.
La Plata
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La Plata is the capital city of the Province of Buenos Aires, Argentina, and of the partido La Plata. According to the 2001 census, it has a population of 765,378, La Plata was planned and developed to serve as the provincial capital after the city of Buenos Aires was federalized in 1880. It was officially founded by Governor Dardo Rocha on 19 November 1882 and its construction is fully documented in photographs by Tomás Bradley Sutton. La Plata was renamed Eva Perón City between 1952 and 1955, the city is home to two important first division football teams, Estudiantes de La Plata and Gimnasia y Esgrima La Plata. Rocha decided to erect a new city to host the provincial government institutions, urban planner Pedro Benoit designed a city layout based on a rationalist conception of urban centers. The city has the shape of a square with a central park, in addition, there are numerous other shorter diagonal streets. This design is copied in a manner in small blocks of six by six blocks in length. For every six blocks, there is a park or square. Other than the streets, all streets are on a rectangular grid and are numbered consecutively. Thus, La Plata is nicknamed la ciudad de las diagonales and it is also called la ciudad de los tilos, because of the large number of linden trees lining the many streets and squares. Palms and subtropical evergreen trees thrive, but are comparatively infrequent. The city design and its buildings are noted to possess a strong Freemason symbolism and this is said to be a consequence of both Rocha and Benoit being Freemasons. The designs for the government buildings were chosen in an architectural competition. Thus, the Governor Palace was designed by Italians, the City Hall by Germans, electric street lighting was installed in 1884, and was the first of its kind in Latin America. The neo-Gothic cathedral of La Plata is the largest church in Argentina, the Curutchet House is one of the two buildings by Le Corbusier built in the Americas. The Teatro Argentino de La Plata is one of the most important opera houses in Argentina, the theatre was built on the square block between 9th and 10th Street and 51st and 53rd Avenue. It was opened on November 19,1890 and it was designed by Leopoldo Rochi in Renaissance style. The work was funded by the first inhabitants of La Plata, in the foyer, entering through the majestic doors, there was a beautiful white Carrara marble staircase
2.
Summit
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A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. Mathematically, a summit is a maximum in elevation. The topographic terms acme, apex, peak, and zenith are synonymous, the UIAA definition is that a summit is independent if it has a prominence of 30 metres or more, it is a mountain if it has a prominence of at least 300 metres. This can be summarised as follows, A pyramidal peak is an exaggerated form produced by ice erosion of a mountain top, Summit may also refer to the highest point along a line, trail, or route. In many parts of the western United States, the term refers to the highest point along a road, highway. For example, the highest point along Interstate 80 in California is referred to as Donner Summit while the highest point on Interstate 5 is Siskiyou Mountain Summit, geoid Hill List of highest mountains Maxima and minima Nadir Summit accordance Peak finder
3.
Topographic prominence
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It is a measure of the independence of a summit. A peaks key col is a point on this contour line. By convention, the prominence of Mount Everest, the Earths highest mountain, is taken to equal the elevation of its summit above sea level, if the peaks prominence is P metres, to get from the summit to any higher terrain one must descend at least P metres. Together with the convention for Mount Everest, this implies that the prominence of any island or continental highpoint is equal to its elevation above sea level, for every ridge connecting the peak to higher terrain, find the lowest point on the ridge. The key col is defined as the highest of these cols, the prominence is the difference between the elevation of the peak and the elevation of the key col. The following mental exercise may illustrate the meaning of topographic prominence, imagine you are standing at the top of a peak and imagine that an imaginary sea level rises to your feet. Now slowly lower the sea level and an imaginary island appears beneath your feet. Your island will grow and will merge with other islands that emerge, the parent peak may be either close or far from the subject peak. The summit of Mount Everest is the parent peak of Aconcagua at a distance of 17,755 km, the key col may also be close or far from the subject peak. The key col for Aconcagua is the Bering Strait at a distance of 13,655 km, the key col for the South Summit of Mount Everest is about 100 m distant. Prominence is interesting to many mountaineers because it is a measurement that is strongly correlated with the subjective significance of a summit. Peaks with low prominences are either subsidiary tops of some higher summit or relatively insignificant independent summits, peaks with high prominences tend to be the highest points around and are likely to have extraordinary views. Only summits with a sufficient degree of prominence are regarded as independent mountains, for example, the worlds second-highest mountain is K2. While Mount Everests South Summit is taller than K2, it is not considered an independent mountain because it is a subsummit of the main summit, many lists of mountains take topographic prominence as a criterion for inclusion, or cutoff. John and Anne Nuttalls The Mountains of England and Wales uses a cutoff of 15 m, in the contiguous United States, the famous list of fourteeners uses a cutoff of 300 ft /91 m. Also in the U. S.2000 feet of prominence has become a threshold that signifies that a peak has major stature. This generates lists of peaks ranked by prominence, which are different from lists ranked by elevation. Such lists tend to emphasize isolated high peaks, such as range or island high points, one advantage of a prominence-ranked list is that it needs no cutoff, since a peak with high prominence is automatically an independent peak
4.
Topographic isolation
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The topographic isolation of a summit is the minimum great-circle distance to a point of equal elevation, representing a radius of dominance in which the peak is the highest point. It can be calculated for small hills and islands as well as for major mountain peaks, the following sortable table lists the Earths 40 most topographically isolated summits. The nearest peak to Germanys highest mountain, the 2, 962-metre-high Zugspitze, the distance between the Zugspitze and this contour is 25.8 km, the Zugspitze is thus the highest peak for a radius of 25.8 km around. Its isolation is thus 25.8 km, because there are no higher mountains than Mount Everest, it has no definitive isolation. Many sources list its isolation as the circumference of the earth over the poles or – questionably, after Mount Everest the Aconcagua, highest mountain of the American continents, has the greatest isolation of all mountains. There is no land for 16,534 kilometres when its height is first exceeded by Tirich Mir in the Hindu Kush. Mont Blanc is the highest mountain of the Alps, the geographically nearest higher mountains are all in the Caucasus. The Kukurtlu, which rises near the Elbrus, is the peak for Mont Blanc. com Canadian Mountain Encyclopedia peakbagger. com peaklist. org peakware. com World Mountain Encyclopedia summitpost. org
5.
Geographic coordinate system
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A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are chosen such that one of the numbers represents a vertical position. A common choice of coordinates is latitude, longitude and elevation, to specify a location on a two-dimensional map requires a map projection. The invention of a coordinate system is generally credited to Eratosthenes of Cyrene. Ptolemy credited him with the adoption of longitude and latitude. Ptolemys 2nd-century Geography used the prime meridian but measured latitude from the equator instead. Mathematical cartography resumed in Europe following Maximus Planudes recovery of Ptolemys text a little before 1300, in 1884, the United States hosted the International Meridian Conference, attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich, the Dominican Republic voted against the motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911, the latitude of a point on Earths surface is the angle between the equatorial plane and the straight line that passes through that point and through the center of the Earth. Lines joining points of the same latitude trace circles on the surface of Earth called parallels, as they are parallel to the equator, the north pole is 90° N, the south pole is 90° S. The 0° parallel of latitude is designated the equator, the plane of all geographic coordinate systems. The equator divides the globe into Northern and Southern Hemispheres, the longitude of a point on Earths surface is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses, which converge at the north and south poles, the prime meridian determines the proper Eastern and Western Hemispheres, although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E, the combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The grid formed by lines of latitude and longitude is known as a graticule, the origin/zero point of this system is located in the Gulf of Guinea about 625 km south of Tema, Ghana. To completely specify a location of a feature on, in, or above Earth. Earth is not a sphere, but a shape approximating a biaxial ellipsoid. It is nearly spherical, but has an equatorial bulge making the radius at the equator about 0. 3% larger than the radius measured through the poles, the shorter axis approximately coincides with the axis of rotation
6.
Colorado
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Colorado is a state in the United States encompassing most of the Southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains. Colorado is part of the Western United States, the Southwestern United States, Colorado is the 8th most extensive and the 21st most populous of the 50 United States. The United States Census Bureau estimates that the population of Colorado was 5,540,545 on July 1,2016, the state was named for the Colorado River, which Spanish travelers named the Río Colorado for the ruddy silt the river carried from the mountains. The Territory of Colorado was organized on February 28,1861, Colorado is nicknamed the Centennial State because it became a state in the same year as the centennial of the United States Declaration of Independence. Colorado is noted for its landscape of mountains, forests, high plains, mesas, canyons, plateaus, rivers. Denver is the capital and the most populous city of Colorado, residents of the state are properly known as Coloradans, although the term Coloradoan has been used archaically and lives on in the title of Fort Collins newspaper, the Coloradoan. Colorado, Wyoming and Utah are the states which have boundaries defined solely by lines of latitude and longitude. The summit of Mount Elbert at 14,440 feet elevation in Lake County is the highest point in Colorado, Colorado is the only U. S. state that lies entirely above 1,000 meters elevation. The point where the Arikaree River flows out of Yuma County, Colorado and this point, which holds the distinction of being the highest low elevation point of any state, is higher than the high elevation points of 18 states and the District of Columbia. A little less than one half of the area of Colorado is flat, East of the Rocky Mountains are the Colorado Eastern Plains of the High Plains, the section of the Great Plains within Nebraska at elevations ranging from roughly 3,350 to 7,500 feet. The Colorado plains were mostly prairies, but they have many patches of forests, buttes. Eastern Colorado is presently covered in farmland and rangeland, along with small farming villages. Precipitation is fair, averaging from 15 to 25 inches annually, corn, wheat, hay, soybeans, and oats are all typical crops, and most of the villages and towns in this region boast both a water tower and a grain elevator. Irrigation water is available from the South Platte, the Arkansas River, and a few other streams, however, heavy use of ground water from wells for irrigation has caused underground water reserves to decline. As well as agriculture, eastern Colorado hosts considerable livestock, such as cattle ranches. Roughly 70% of Colorados population resides along the edge of the Rocky Mountains in the Front Range Urban Corridor between Cheyenne, Wyoming, and Pueblo, Colorado. This region is protected from prevailing storms that blow in from the Pacific Ocean region by the high Rockies in the middle of Colorado. The Front Range includes Denver, Boulder, Fort Collins, Loveland, Colorado Springs, Pueblo, Greeley and other townships, on the other side of the Rockies, the significant population centers in Western Colorado are the cities of Grand Junction, Durango, and Montrose
7.
Chaffee County, Colorado
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Chaffee County is one of the 64 counties of the U. S. state of Colorado. As of the 2010 census, the population was 17,809, Chaffee County has a confusing origin. Between February 8 and February 10,1879, Carbonate County was created by the Colorado legislature out of northern Lake County, on February 10 the two counties were renamed, with the southern part of Lake County becoming Chaffee County, and Carbonate County becoming Lake County. Chaffee County is known as the “Heart of the Rockies” and it was named for Jerome B. Chaffee, Colorados first United States Senator, according to the U. S. Census Bureau, the county has a total area of 1,015 square miles, of which 1,013 square miles is land and 1.6 square miles is water. The population density was 16 people per square mile, there were 8,392 housing units at an average density of 8 per square mile. The racial makeup of the county was 90. 94% White,1. 58% Black or African American,1. 09% Native American,0. 44% Asian,0. 05% Pacific Islander,4. 21% from other races, and 1. 69% from two or more races. 8. 58% of the population were Hispanic or Latino of any race,28. 40% of all households were made up of individuals and 11. 20% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the family size was 2.77. In the county, the population was out with 19. 70% under the age of 18,7. 70% from 18 to 24,28. 00% from 25 to 44,27. 50% from 45 to 64. The median age was 42 years, for every 100 females there were 113.60 males. For every 100 females age 18 and over, there were 116.20 males, the median income for a household in the county was $34,368, and the median income for a family was $42,043. Males had an income of $30,770 versus $22,219 for females. The per capita income for the county was $19,430, about 7. 40% of families and 11. 70% of the population were below the poverty line, including 17. 30% of those under age 18 and 10. 20% of those age 65 or over. Chaffee County is also home to a source of water that Arrowhead water uses for water bottles. The source is Ruby Mountain Springs, salida Buena Vista Poncha Springs Garfield Johnson Village Maysville Smeltertown Nathrop St. 5ʹ Quadrangle, Park and Chaffee Counties, Colorado United States Geological Survey
8.
United States
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Forty-eight of the fifty states and the federal district are contiguous and located in North America between Canada and Mexico. The state of Alaska is in the northwest corner of North America, bordered by Canada to the east, the state of Hawaii is an archipelago in the mid-Pacific Ocean. The U. S. territories are scattered about the Pacific Ocean, the geography, climate and wildlife of the country are extremely diverse. At 3.8 million square miles and with over 324 million people, the United States is the worlds third- or fourth-largest country by area, third-largest by land area. It is one of the worlds most ethnically diverse and multicultural nations, paleo-Indians migrated from Asia to the North American mainland at least 15,000 years ago. European colonization began in the 16th century, the United States emerged from 13 British colonies along the East Coast. Numerous disputes between Great Britain and the following the Seven Years War led to the American Revolution. On July 4,1776, during the course of the American Revolutionary War, the war ended in 1783 with recognition of the independence of the United States by Great Britain, representing the first successful war of independence against a European power. The current constitution was adopted in 1788, after the Articles of Confederation, the first ten amendments, collectively named the Bill of Rights, were ratified in 1791 and designed to guarantee many fundamental civil liberties. During the second half of the 19th century, the American Civil War led to the end of slavery in the country. By the end of century, the United States extended into the Pacific Ocean. The Spanish–American War and World War I confirmed the status as a global military power. The end of the Cold War and the dissolution of the Soviet Union in 1991 left the United States as the sole superpower. The U. S. is a member of the United Nations, World Bank, International Monetary Fund, Organization of American States. The United States is a developed country, with the worlds largest economy by nominal GDP. It ranks highly in several measures of performance, including average wage, human development, per capita GDP. While the U. S. economy is considered post-industrial, characterized by the dominance of services and knowledge economy, the United States is a prominent political and cultural force internationally, and a leader in scientific research and technological innovations. In 1507, the German cartographer Martin Waldseemüller produced a map on which he named the lands of the Western Hemisphere America after the Italian explorer and cartographer Amerigo Vespucci
9.
Mountain range
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A mountain range is a geographic area containing numerous geologically related mountains. A mountain system or system of ranges, sometimes is used to combine several geological features that are geographically related. Mountain ranges are usually segmented by highlands or mountain passes and valleys, individual mountains within the same mountain range do not necessarily have the same geologic structure or petrology. They may be a mix of different orogenic expressions and terranes, for example thrust sheets, uplifted blocks, fold mountains, most geologically young mountain ranges on the Earths land surface are associated with either the Pacific Ring of Fire or the Alpide Belt. The Andes is 7,000 kilometres long and is considered the worlds longest mountain system. The Alpide belt includes Indonesia and southeast Asia, through the Himalaya, the belt also includes other European and Asian mountain ranges. The Himalayas contain the highest mountains in the world, including Mount Everest, mountain ranges outside of these two systems include the Arctic Cordillera, the Urals, the Appalachians, the Scandinavian Mountains, the Altai Mountains and the Hijaz Mountains. If the definition of a range is stretched to include underwater mountains. The mountain systems of the earth are characterized by a tree structure, the sub-range relationship is often expressed as a parent-child relationship. For example, the White Mountains of New Hampshire and the Blue Ridge Mountains are sub-ranges of the Appalachian Mountains, equivalently, the Appalachians are the parent of the White Mountains and Blue Ridge Mountains, and the White Mountains and the Blue Ridge Mountains are children of the Appalachians. The position of mountains influences climate, such as rain or snow, when air masses move up and over mountains, the air cools producing orographic precipitation. As the air descends on the side, it warms again and is drier. Often, a shadow will affect the leeward side of a range. Mountain ranges are constantly subjected to forces which work to tear them down. Erosion is at work while the mountains are being uplifted and long after until the mountains are reduced to low hills, rivers are traditionally believed to be the principle erosive factor on mountain ranges, with their ability of bedrock incision and sediment transport. The rugged topography of a range is the product of erosion. The basins adjacent to a mountain range are filled with sediments which are buried and turned into sedimentary rock. The early Cenozoic uplift of the Rocky Mountains of Colorado provides an example and this mass of rock was removed as the range was actively undergoing uplift
10.
Sawatch Range
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The range is oriented along a northwest-southeast axis, extending approximately 80 miles from 39°37′36″N 106°32′13″W in the north to 38°5′51″N 106°3′48″W in the south. The range contains 15 peaks topping 14,000 feet, also known as 14ers, the range forms a portion of the Continental Divide, and its eastern flanks are drained by the headwaters of the Arkansas River. The western side of the feeds the headwaters of the Roaring Fork River, the Eagle River. The Sawatch mountains in general are high, massive, and relatively gentle in contour, while some peaks are rugged enough to require technical climbing, most can be climbed by a simple, yet arduous hike. Notable summits include Mount Elbert, Mount Massive, La Plata Peak, Mount of the Holy Cross, state Highway 82 traverses the range at Independence Pass. It is also traversed by Cottonwood Pass, which connects the town of Buena Vista with Gunnison County. Both Independence Pass and Cottonwood Pass are over 12,000 feet, hagerman Pass is another pass to the north, connecting the Arkansas Headwaters near Leadville with the upper valley of the Fryingpan River. Hagerman pass is traversable with four-wheel drive vehicles and on foot during summer, the range contains numerous hiking trails within the San Isabel National Forest and White River National Forest. Southern Rocky Mountains Mountain ranges of Colorado Collegiate Peaks Sawatch Range @ Peakbagger Sawatch Range @ 14ers. com Sawatch Range @ summitpost. org Mt. Aetna @ summitpost. org
11.
Collegiate Peaks
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The Collegiate Peaks is a name given to a section of the Sawatch Range of the Rocky Mountains located in central Colorado. Drainages to the east include headwaters of the Arkansas River, the Collegiate Peaks include some of the highest mountains in the Rockies. The section is so named because several of the mountains are named for prominent universities, mountain peaks of Colorado Collegiate Peaks Wilderness Collegiate Peaks
12.
Topographic map
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Traditional definitions require a topographic map to show both natural and man-made features. A topographic map is published as a map series, made up of two or more map sheets that combine to form the whole map. A contour line is a line connecting places of equal elevation, however, in the vernacular and day to day world, the representation of relief is popularly held to define the genre, such that even small-scale maps showing relief are commonly called topographic. The study or discipline of topography is a broader field of study. Topographic maps are based on topographical surveys, performed at large scales, these surveys are called topographical in the old sense of topography, showing a variety of elevations and landforms. This is in contrast to older cadastral surveys, which primarily show property, the first multi-sheet topographic map series of an entire country, the Carte géométrique de la France, was completed in 1789. Topographic surveys were prepared by the military to assist in planning for battle, as such, elevation information was of vital importance. As they evolved, topographic map series became a resource in modern nations in planning infrastructure. Excluding borders, each sheet was 44 cm high and up to 66 cm wide, although the project eventually foundered, it left an indexing system that remains in use. TIGER was developed in the 1980s and used in the 1990, digital elevation models were also compiled, initially from topographic maps and stereographic interpretation of aerial photographs and then from satellite photography and radar data. Since all these were government projects funded with taxes and not classified for security reasons. Initial applications were mostly professionalized forms such as innovative surveying instruments, by the mid-1990s, increasingly user-friendly resources such as online mapping in two and three dimensions, integration of GPS with mobile phones and automotive navigation systems appeared. As of 2011, the future of standardized, centrally printed topographical maps is left somewhat in doubt, the various features shown on the map are represented by conventional signs or symbols. For example, colors can be used to indicate a classification of roads and these signs are usually explained in the margin of the map, or on a separately published characteristic sheet. Topographic maps are commonly called contour maps or topo maps. In the United States, where the national series is organized by a strict 7. 5-minute grid. Topographic maps conventionally show topography, or land contours, by means of contour lines, contour lines are curves that connect contiguous points of the same altitude. In other words, every point on the line of 100 m elevation is 100 m above mean sea level
13.
United States Geological Survey
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The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its resources. The organization has four science disciplines, concerning biology, geography, geology. The USGS is a research organization with no regulatory responsibility. The USGS is a bureau of the United States Department of the Interior, the USGS employs approximately 8,670 people and is headquartered in Reston, Virginia. The USGS also has major offices near Lakewood, Colorado, at the Denver Federal Center, the current motto of the USGS, in use since August 1997, is science for a changing world. The agencys previous slogan, adopted on the occasion of its anniversary, was Earth Science in the Public Service. Prompted by a report from the National Academy of Sciences, the USGS was created, by a last-minute amendment and it was charged with the classification of the public lands, and examination of the geological structure, mineral resources, and products of the national domain. This task was driven by the need to inventory the vast lands added to the United States by the Louisiana Purchase in 1803, the legislation also provided that the Hayden, Powell, and Wheeler surveys be discontinued as of June 30,1879. Clarence King, the first director of USGS, assembled the new organization from disparate regional survey agencies, after a short tenure, King was succeeded in the directors chair by John Wesley Powell. Administratively, it is divided into a Headquarters unit and six Regional Units, Other specific programs include, Earthquake Hazards Program monitors earthquake activity worldwide. The National Earthquake Information Center in Golden, Colorado on the campus of the Colorado School of Mines detects the location, the USGS also runs or supports several regional monitoring networks in the United States under the umbrella of the Advanced National Seismic System. The USGS informs authorities, emergency responders, the media, and it also maintains long-term archives of earthquake data for scientific and engineering research. It also conducts and supports research on long-term seismic hazards, USGS has released the UCERF California earthquake forecast. The USGS National Geomagnetism Program monitors the magnetic field at magnetic observatories and distributes magnetometer data in real time, the USGS operates the streamgaging network for the United States, with over 7400 streamgages. Real-time streamflow data are available online, since 1962, the Astrogeology Research Program has been involved in global, lunar, and planetary exploration and mapping. USGS operates a number of related programs, notably the National Streamflow Information Program. USGS Water data is available from their National Water Information System database
14.
First ascent
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In climbing, a first ascent is the first successful, documented attainment of the top of a mountain, or the first to follow a particular climbing route. First ascents are notable because they entail genuine exploration, with risks, challenges. The person who performs the first ascent is called the first ascensionist, the details of the first ascents of even many prominent mountains are scanty or unknown, sometimes the only evidence of prior summiting is a cairn, artifacts, or inscriptions at the top. Today, first ascents are generally recorded and usually mentioned in guidebooks. Overwhelmingly, the idea of a first ascent is a one, especially in places such as Africa. There may be little or no evidence or documentation about the climbing activities of indigenous peoples living near the mountain. The term is used when referring to ascents made using a specific technique or taking a specific route, such as via the North Face. In rock climbing, some of the earlier first ascents, particularly for difficult routes, involved a mix of free, as a result, purist free climbers have developed the designation first free ascent to acknowledge ascents intentionally made more challenging by using equipment for protection only. Some other first ascents could be recorded for particular mountains or routes, one is the First Winter Ascent, which is, as the name easily suggests, the first ascent made during winter season. This is most important where the climate of winter is a factor in increasing the difficulty grade of the route, in the Northern Hemisphere conventional winter ascents are made between December 21 and March 21 and are not related to the conditions. Also in the Himalayan area, although Nepal and Chinas winter season permits start on December 1, another is the First Solo Ascent, which is the first ascent made by a single climber. This is most important on high-level rock climbing, when the climber has to provide his own security or even when climbing without any protection at all, another type of ascent, also known as FFA is the first female ascent. The term last ascent has been used to refer to an ascent of a mountain or face that has changed to such an extent – often because of rockfall – that the route no longer exists. It can also be used facetiously to refer to a climb that is so unpleasant or unaesthetic that no one would willingly repeat the first ascent partys ordeal. List of first ascents List of first ascents in the Alps List of first ascents in the Himalaya Glossary of climbing terms Alpinist Magazine – Peter Mortimers First Ascent, Issue 17
15.
Hayden Survey
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Ferdinand Vandeveer Hayden was an American geologist noted for his pioneering surveying expeditions of the Rocky Mountains in the late 19th century. He was also a physician who served with the Union Army during the Civil War, Ferdinand Hayden was born in Westfield, Massachusetts. As a young boy he was fascinated with all nature and wildlife and he worked in Cleveland under J. P. Kirtland and thereafter in Albany, NY, where he worked under James Hall, of the Geological Survey of New York. Meek to study geology and collect fossils, Hall sent him on his first geological venture in the summer of 1853. One result of which was his Geological Report of the Exploration of the Yellowstone, during the Civil War he served as an army surgeon. He rose to be chief medical officer of the Army of the Shenandoah, after the American Civil War Hayden led geographic and geologic surveys of the Nebraska and Western Territories for the United States Government. In 1867 he was appointed geologist-in-charge of the United States Geological and Geographical Survey of the Territories, Hayden organized and led previous expeditions into the Rocky Mountains, both before and after the Civil War. In 1869, he led an expedition along the Front Range to Denver, in 1870 he received a $25,000 governmental grant to lead a 20-man expedition to South Pass, Fort Bridger, Henrys Fork, and back to Cheyenne. About this time, he became identified with the Megatherium Club at the Smithsonian Institution in Washington. To measure distances during their journeys into the western frontier Hayden employed the use of an odometer, the device was mounted on a mule-drawn cart that measured distances as the cart wheels rolled along. Because of rough terrain the device was accurate to within about 3%, the survey consisted of some 50 men which included notables such as Thomas Moran, painter and famous frontier/Civil War photographer William Henry Jackson. S. National Park, aided by Jacksons stunning large-format photographs and Morans dramatic paintings and these publications also encouraged the westward expansion of the United States. The last of the annual survey journeys was in 1878, as a result of Haydens extensive geological work, he uncovered numerous dinosaur fossils which he brought back east with him for further scientific study. Much of what he brought back is still housed in the collection of the Smithsonian Institution, American paleontologist Joseph Leidy obtained most of his fossil specimens from Hayden. Hayden was made professor of geology at the University of Pennsylvania in 1865 with the help of Leidy, Hayden was elected a member of the American Antiquarian Society in 1873. He was elected a Foreign Member of the Geological Society of London in 1879, upon the reorganization and establishment of the United States Geological Survey in 1879 he acted for seven years as one of the geologists. He died in Philadelphia on December 22,1887, Hayden Valley in Yellowstone is named after him. The town of Hayden, Colorado, located in the Yampa River valley, is named for him, many mountain peaks bear his name as well
16.
Grade (climbing)
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In rock climbing, mountaineering and other climbing disciplines, climbers give a grade to a climbing route that concisely describes the difficulty and danger of climbing the route. Different aspects of climbing each have their own grading system, and many different nationalities developed their own, different grading systems consider these factors in different ways, so no two grading systems have an exact one-to-one correspondence. They may be the opinion of one or a few climbers, a grade for an individual route may also be a consensus reached by many climbers who have climbed the route. While grades are usually applied fairly consistently across a climbing area, because of these variables, a given climber might find a route to be either easier or more difficult than expected for the grade applied. In 1894, the Austrian mountaineer Fritz Benesch introduced the first known grading system for rock climbing, the Benesch scale had seven levels of difficulty, with level VII the easiest and level I the most difficult. Soon more difficult climbs were made, which originally were graded level 0 and 00, in 1923, the German mountaineer Willo Welzenbach compressed the scale and turned the order around, so that level 00 became level IV-V. It prevailed internationally and was renamed in 1968 as the UIAA scale, originally a 6-grade scale, it has been officially open-ended since 1979. For free climbing, there are many different grading systems varying according to country and they include, The Yosemite Decimal System of grading routes was initially developed as the Sierra Club grading system in the 1930s to rate hikes and climbs in the Sierra Nevada range. The rock climbing portion was developed at Tahquitz Rock in southern California by members of the Rock Climbing Section of the Angeles Chapter of the Sierra Club in the 1950s and it quickly spread to Canada and the rest of the Americas. Originally a single-part classification system, grade and protection rating categories were added later, the new classifications do not apply to every climb and usage varies widely. When a route also involves aid climbing, its unique aid designation can be appended to the YDS free climbing rating, Class 1 is the easiest and consists of walking on even terrain. Class 5 is climbing on vertical or near-vertical rock, and requires skill, un-roped falls would result in severe injury or death. Originally, Class 6 was used to aid climbing. However, the separate A rating system became popular instead, the original intention was that the classes would be subdivided decimally, so that a route graded 4.5 would be a scramble halfway between 4 and 5, and 5.9 would be the hardest rock climb. Increased standards and improved equipment meant that climbs graded 5.9 in the 1960s are now only of moderate difficulty. While the top grade was 5.10, a range of climbs in this grade was completed. Letter grades were added for climbs at 5.10 and above by adding a letter a, b, c, the system originally considered only the technical difficulty of the hardest move on a route. For example, a route of mainly 5.7 moves but with one 5. 11b move would be graded 5. 11b, the YDS system involves an optional Roman numeral grade that indicates the length and seriousness of the route
17.
Rocky Mountains
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The Rocky Mountains, commonly known as the Rockies, are a major mountain range in western North America. The Rocky Mountains stretch more than 3,000 miles from the northernmost part of British Columbia, in western Canada, to New Mexico, in the Southwestern United States. Within the North American Cordillera, the Rockies are somewhat distinct from the Pacific Coast Ranges, the Rocky Mountains were initially formed from 80 million to 55 million years ago during the Laramide orogeny, in which a number of plates began to slide underneath the North American plate. The angle of subduction was shallow, resulting in a belt of mountains running down western North America. Since then, further tectonic activity and erosion by glaciers have sculpted the Rockies into dramatic peaks, at the end of the last ice age, humans started to inhabit the mountain range. The first mention of their present name by a European was in the journal of Jacques Legardeur de Saint-Pierre in 1752, the Rocky Mountains are commonly defined as stretching from the Liard River in British Columbia south to the Rio Grande in New Mexico. The United States definition of the Rockies includes the Cabinet and Salish Mountains of Idaho and their counterparts north of the Kootenai River, the Columbia Mountains, are considered a separate system in Canada, lying to the west of the huge Rocky Mountain Trench. This runs the length of British Columbia from its beginnings in the middle Flathead River valley in western Montana to the bank of the Liard River. The Rockies vary in width from 70 to 300 miles, also west of the Rocky Mountain Trench, farther north and facing the Muskwa Range across the trench, are the Stikine Ranges and Omineca Mountains of the Interior Mountains system of British Columbia. A small area east of Prince George, British Columbia on the side of the Trench. In Canada geographers define three main groups of ranges, the Continental Ranges, Hart Ranges and Muskwa Ranges, the Muskwa and Hart Ranges together comprise what is known as the Northern Rockies. The western edge of the Rockies includes ranges such as the Wasatch near Salt Lake City, the Great Basin and Columbia River Plateau separate these sub-ranges from distinct ranges further to the west, most prominent among which are the Sierra Nevada, Cascade Range and Coast Mountains. The Rocky Mountain System within the United States is a United States physiographic region, the Rocky Mountains are notable for containing the highest peaks in central North America. The ranges highest peak is Mount Elbert located in Colorado at 14,440 feet above sea level, Mount Robson in British Columbia, at 12,972 feet, is the highest peak in the Canadian Rockies. The Continental Divide of the Americas is located in the Rocky Mountains, triple Divide Peak in Glacier National Park is so named because water that falls on the mountain reaches not only the Atlantic and Pacific, but Hudson Bay as well. Farther north in Alberta, the Athabasca and other rivers feed the basin of the Mackenzie River, see Rivers of the Rocky Mountains for a list of rivers. Human population is not very dense in the Rocky Mountains, with an average of four people per square kilometer, however, the human population grew rapidly in the Rocky Mountain states between 1950 and 1990. The 40-year statewide increases in range from 35% in Montana to about 150% in Utah
18.
North America
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North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere. It can also be considered a subcontinent of the Americas. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the west and south by the Pacific Ocean, and to the southeast by South America and the Caribbean Sea. North America covers an area of about 24,709,000 square kilometers, about 16. 5% of the land area. North America is the third largest continent by area, following Asia and Africa, and the fourth by population after Asia, Africa, and Europe. In 2013, its population was estimated at nearly 565 million people in 23 independent states, or about 7. 5% of the worlds population, North America was reached by its first human populations during the last glacial period, via crossing the Bering land bridge. The so-called Paleo-Indian period is taken to have lasted until about 10,000 years ago, the Classic stage spans roughly the 6th to 13th centuries. The Pre-Columbian era ended with the migrations and the arrival of European settlers during the Age of Discovery. Present-day cultural and ethnic patterns reflect different kind of interactions between European colonists, indigenous peoples, African slaves and their descendants, European influences are strongest in the northern parts of the continent while indigenous and African influences are relatively stronger in the south. Because of the history of colonialism, most North Americans speak English, Spanish or French, the Americas are usually accepted as having been named after the Italian explorer Amerigo Vespucci by the German cartographers Martin Waldseemüller and Matthias Ringmann. Vespucci, who explored South America between 1497 and 1502, was the first European to suggest that the Americas were not the East Indies, but a different landmass previously unknown by Europeans. In 1507, Waldseemüller produced a map, in which he placed the word America on the continent of South America. He explained the rationale for the name in the accompanying book Cosmographiae Introductio, for Waldseemüller, no one should object to the naming of the land after its discoverer. He used the Latinized version of Vespuccis name, but in its feminine form America, following the examples of Europa, Asia and Africa. Later, other mapmakers extended the name America to the continent, In 1538. Some argue that the convention is to use the surname for naming discoveries except in the case of royalty, a minutely explored belief that has been advanced is that America was named for a Spanish sailor bearing the ancient Visigothic name of Amairick. Another is that the name is rooted in a Native American language, the term North America maintains various definitions in accordance with location and context. In Canadian English, North America may be used to refer to the United States, alternatively, usage sometimes includes Greenland and Mexico, as well as offshore islands
19.
U.S. state
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A U. S. state is a constituent political entity of the United States of America. There are 50 states, which are together in a union with each other. Each state holds administrative jurisdiction over a geographic territory. Due to the shared sovereignty between each state and the government, Americans are citizens of both the federal republic and of the state in which they reside. State citizenship and residency are flexible, and no government approval is required to move between states, except for persons covered by certain types of court orders. States range in population from just under 600,000 to over 39 million, four states use the term commonwealth rather than state in their full official names. States are divided into counties or county-equivalents, which may be assigned some local authority but are not sovereign. County or county-equivalent structure varies widely by state, State governments are allocated power by the people through their individual constitutions. All are grounded in principles, and each provides for a government. States possess a number of powers and rights under the United States Constitution, Constitution has been amended, and the interpretation and application of its provisions have changed. The general tendency has been toward centralization and incorporation, with the government playing a much larger role than it once did. There is a debate over states rights, which concerns the extent and nature of the states powers and sovereignty in relation to the federal government. States and their residents are represented in the federal Congress, a legislature consisting of the Senate. Each state is represented in the Senate by two senators, and is guaranteed at least one Representative in the House, members of the House are elected from single-member districts. Representatives are distributed among the states in proportion to the most recent constitutionally mandated decennial census, the Constitution grants to Congress the authority to admit new states into the Union. Since the establishment of the United States in 1776, the number of states has expanded from the original 13 to 50, alaska and Hawaii are the most recent states admitted, both in 1959. The Constitution is silent on the question of states have the power to secede from the Union. Shortly after the Civil War, the U. S. Supreme Court, in Texas v. White, as a result, while the governments of the various states share many similar features, they often vary greatly with regard to form and substance
20.
Fourteener
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In the mountaineering parlance of the Western United States, a fourteener is a mountain peak with an elevation of at least 14,000 feet. Colorado has the majority of fourteeners in the contiguous United States, followed by California, climbing all of Colorados fourteeners is a popular pastime among peak baggers, another popular target is climbing all of the fourteeners in the contiguous United States. Various ski mountaineers have completed ski descents of all the Colorado fourteeners, the summit of a mountain or hill may be measured in three principal ways, The topographic elevation of a summit measures the height of the summit above a geodetic sea level. The topographic prominence of a summit is a measure of how high the summit rises above its surroundings, the topographic isolation of a summit measures how far the summit lies from its nearest point of equal elevation. Not all summits over 14,000 feet qualify as fourteeners, summits which qualify are those considered by mountaineers to be independent. Objective standards for independence include topographic prominence and isolation, or a combination of the two, however, fourteener lists do not always consistently use such objective rules. A rule commonly used by mountaineers in the contiguous United States is that a peak must have at least 300 feet of prominence to qualify, by this rule, Colorado has 53 fourteeners, California has 12, and Washington has two. According to the Mountaineering Club of Alaska, it is standard in Alaska to use a 500-foot prominence rule rather than a 300-foot rule, by this rule, Alaska has at least 21 peaks over 14,000 feet and its 12 highest peaks exceed 15,000 feet. The following table lists the 96 mountain peaks of the United States with at least 14,000 feet of topographic elevation, of these 96 fourteeners,53 rise in Colorado,29 in Alaska,12 in California, and two in Washington. The 22 highest fourteeners all rise in Alaska, the table above uses a minimum topographic prominence criterion of 300 feet and includes 97 peaks. The number of peaks included depends upon the minimum topographic prominence criterion, a criterion of 100 meters includes 90 peaks,500 feet includes 77 peaks,1000 feet includes 63 peaks, and 500 meters includes 46 peaks. The following U. S. summits have 14,000 feet of elevation and it is unclear why this became included on some fourteener lists. Prominence = 195–235 feet. com Peakbagger. com Peaklist. org Peakware. com Summitpost. org
21.
San Isabel National Forest
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San Isabel National Forest is located in central Colorado. The forest contains 19 of the states 53 fourteeners, peaks over 14,000 feet high, including Mount Elbert and it is one of eleven national forests in the state of Colorado and contains the Sawatch Range, the Collegiate Peaks, and Sangre de Cristo Range. It has an area of 1,120,233 acres spread out over parts of eleven counties in central Colorado. In descending order of area it is located in Chaffee, Custer, Lake, Huerfano, Fremont, Pueblo, Saguache, Las Animas, Park, Costilla. San Isabel National Forest is co-managed by the Forest Service together with Pike National Forest, Cimarron National Grassland, there are local ranger district offices located in Cañon City, Leadville, and Salida. There are seven designated wilderness areas lying within San Isabel National Forest that are part of the National Wilderness Preservation System. Four of them extend into neighboring National Forests, and of these, another one extends onto land of the United States Fish and Wildlife Service
22.
Buena Vista, Colorado
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The Town of Buena Vista is a Statutory Town in Chaffee County, Colorado, United States. The town population was 2,617 at the 2010 United States Census, the Arkansas River Valley and the area of what would become Buena Vista was first settled in 1864 by settlers drawn to the area by the plentiful water which made the land suitable for agriculture. By 1880, the county seat had moved from Granite to Buena Vista, by 1894, Buena Vista had electricity, telephone service, street lights, parks, cemeteries, and schools. Travelers, speculators, and miners traveling up the Arkansas Valley towards Leadville made Buena Vista a popular stagecoach stop, while certainly experiencing economic ups and downs, the valleys agricultural economy has made the area more resistant to the boom, bust cycle of mining towns. Buena Vista is located in central Colorado roughly midway between Salida and Leadville in the Upper Arkansas River Valley at an elevation of 7,965 feet. The area between Buena Vista and Salida is often referred to as the Denver & Rio Grande, South Park & Pacific, many of the existing buildings of Buena Vista date back to this era, and were built in the 1880s and 1890s. The name Buena Vista, Spanish for Beautiful View, can often be heard pronounced locally as Biewna Vista and this Americanized pronunciation was specified by Alsina Dearheimer, who chose this name for the town, which was officially selected over other names on the occasion of the towns incorporation. Alternate pronunciations include Bwena Veesta and simply Biewnie, many residents simply refer to the town as BV. Buena Vista has a Semi-arid climate, with cold, dry winters and warm, altitude and dryness cause the diurnal temperature variation to be high year-round. As of the census of 2000, there were 2,195 people,978 households, the population density was 638.6 people per square mile. There were 1,124 housing units at a density of 327.0 per square mile. The racial makeup of the town was 96. 81% Caucasian,0. 09% African American,0. 64% Native American,0. 27% Asian,0. 73% from other races, hispanic or Latino of any race were 4. 74% of the population. 31. 0% of all households were made up of individuals and 12. 8% had someone living alone who was 65 years of age or older, the average household size was 2.24 and the average family size was 2.83. In the town, the population was out with 23. 6% under the age of 18,5. 1% from 18 to 24,26. 7% from 25 to 44,27. 8% from 45 to 64. The median age was 42 years, for every 100 females there were 92.4 males. For every 100 females age 18 and over, there were 85.8 males, the median income for a household in the town was $34,800, and the median income for a family was $40,455. Males had an income of $32,841 versus $25,486 for females. The per capita income for the town was $16,920, about 9. 4% of families and 11. 7% of the population were below the poverty line, including 19. 1% of those under age 18 and 5. 7% of those age 65 or over
23.
Sea Level Datum of 1929
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The Sea Level Datum of 1929 was the vertical control datum established for vertical control surveying in the United States of America by the General Adjustment of 1929. The datum was used to measure elevation above, and depression below, Mean sea level was measured at 26 tide gauges,21 in the United States and 5 in Canada. The datum was defined by the heights of mean sea level at the 26 tide gauges. The adjustment required a total of 66,315 miles of leveling with 246 closed circuits and 25 circuits at sea level. Since the Sea Level Datum of 1929 was a model, it was not a pure model of mean sea level. Therefore, it was renamed the National Geodetic Vertical Datum of 1929 in 1973, altitude Datum Geodesy Mean sea level North American Vertical Datum of 1988 Storm Surge Topographic elevation Topography Reference ellipsoid Geoid United States Geological Survey home page. U. S. National Geodetic Survey home page
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Geographic Names Information System
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It is a type of gazetteer. GNIS was developed by the United States Geological Survey in cooperation with the United States Board on Geographic Names to promote the standardization of feature names, the database is part of a system that includes topographic map names and bibliographic references. The names of books and historic maps that confirm the feature or place name are cited, variant names, alternatives to official federal names for a feature, are also recorded. Each feature receives a permanent, unique feature record identifier, sometimes called the GNIS identifier, the database never removes an entry, except in cases of obvious duplication. The GNIS accepts proposals for new or changed names for U. S. geographical features, the general public can make proposals at the GNIS web site and can review the justifications and supporters of the proposals. The Bureau of the Census defines Census Designated Places as a subset of locations in the National Geographic Names Database, U. S. Postal Service Publication 28 gives standards for addressing mail. In this publication, the postal service defines two-letter state abbreviations, street identifiers such as boulevard and street, department of the Interior, U. S. Geological Survey, National Mapping Division, Digital Gazeteer, Users Manual. Least Heat Moon, William, Blue Highways, A Journey Into America, standard was withdrawn in September 2008, See Federal Register Notice, Vol.73, No. 170, page 51276 Report, Principles, Policies, and Procedures, Domestic Geographic Names, U. S. Postal Service Publication 28, November 2000. Board on Geographic Names website Geographic Names Information System Proposals from the general public Meeting minutes
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North American Vertical Datum of 1988
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NAVD88 was established in 1991 by the minimum-constraint adjustment of geodetic leveling observations in Canada, the United States, and Mexico. It held fixed the height of the tidal bench mark, referenced to the International Great Lakes Datum of 1985 local mean sea level height value, at Rimouski, Quebec. The definition of NAVD88 uses the Helmert orthometric height, which calculates the location of the geoid from modeled local gravity, the NAVD88 model is based on then-available measurements, and remains fixed despite later improved geoid models. NAVD88 replaced the National Geodetic Vertical Datum of 1929, previously known as the Sea Level Datum of 1929, the elevation difference between points in a local area will show negligible change from one datum to the other, even though the elevation of both does change. NGVD29 used a model of gravity based on latitude to calculate the geoid and did not take into account other variations. Thus, the difference for points across the country does change between datums. Altitude Geodesy Sea Level Datum of 1929 Topographic elevation Topography Reference ellipsoid Geoid United States Geological Survey home page, U. S. National Geodetic Survey home page
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International Standard Book Number
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The International Standard Book Number is a unique numeric commercial book identifier. An ISBN is assigned to each edition and variation of a book, for example, an e-book, a paperback and a hardcover edition of the same book would each have a different ISBN. The ISBN is 13 digits long if assigned on or after 1 January 2007, the method of assigning an ISBN is nation-based and varies from country to country, often depending on how large the publishing industry is within a country. The initial ISBN configuration of recognition was generated in 1967 based upon the 9-digit Standard Book Numbering created in 1966, the 10-digit ISBN format was developed by the International Organization for Standardization and was published in 1970 as international standard ISO2108. Occasionally, a book may appear without a printed ISBN if it is printed privately or the author does not follow the usual ISBN procedure, however, this can be rectified later. Another identifier, the International Standard Serial Number, identifies periodical publications such as magazines, the ISBN configuration of recognition was generated in 1967 in the United Kingdom by David Whitaker and in 1968 in the US by Emery Koltay. The 10-digit ISBN format was developed by the International Organization for Standardization and was published in 1970 as international standard ISO2108, the United Kingdom continued to use the 9-digit SBN code until 1974. The ISO on-line facility only refers back to 1978, an SBN may be converted to an ISBN by prefixing the digit 0. For example, the edition of Mr. J. G. Reeder Returns, published by Hodder in 1965, has SBN340013818 -340 indicating the publisher,01381 their serial number. This can be converted to ISBN 0-340-01381-8, the check digit does not need to be re-calculated, since 1 January 2007, ISBNs have contained 13 digits, a format that is compatible with Bookland European Article Number EAN-13s. An ISBN is assigned to each edition and variation of a book, for example, an ebook, a paperback, and a hardcover edition of the same book would each have a different ISBN. The ISBN is 13 digits long if assigned on or after 1 January 2007, a 13-digit ISBN can be separated into its parts, and when this is done it is customary to separate the parts with hyphens or spaces. Separating the parts of a 10-digit ISBN is also done with either hyphens or spaces, figuring out how to correctly separate a given ISBN number is complicated, because most of the parts do not use a fixed number of digits. ISBN issuance is country-specific, in that ISBNs are issued by the ISBN registration agency that is responsible for country or territory regardless of the publication language. Some ISBN registration agencies are based in national libraries or within ministries of culture, in other cases, the ISBN registration service is provided by organisations such as bibliographic data providers that are not government funded. In Canada, ISBNs are issued at no cost with the purpose of encouraging Canadian culture. In the United Kingdom, United States, and some countries, where the service is provided by non-government-funded organisations. Australia, ISBNs are issued by the library services agency Thorpe-Bowker
27.
United States Forest Service
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The United States Forest Service is an agency of the U. S. Department of Agriculture that administers the nations 154 national forests and 20 national grasslands, which encompass 193 million acres. Major divisions of the include the National Forest System, State and Private Forestry, Business Operations. Managing approximately 25% of federal lands, it is the major national land agency that is outside the U. S. Department of the Interior. The concept of the National Forests was born from Theodore Roosevelt’s conservation group, Boone and Crockett Club, in 1876, Congress created the office of Special Agent in the Department of Agriculture to assess the quality and conditions of forests in the United States. Hough was appointed the head of the office, in 1881, the office was expanded into the newly formed Division of Forestry. The Forest Reserve Act of 1891 authorized withdrawing land from the domain as forest reserves. In 1901, the Division of Forestry was renamed the Bureau of Forestry, gifford Pinchot was the first United States Chief Forester in the Presidency of Theodore Roosevelt. As of 2009, the Forest Service has a budget authority of $5.5 billion. The Forest Service employs 34,250 employees in 750 locations, including 10,050 firefighters,737 law enforcement personnel, and 500 scientists. The mission of the Forest Service is To sustain the health, diversity and its motto is Caring for the land and serving people. As the lead agency in natural resource conservation, the US Forest Service provides leadership in the protection, management, and use of the nations forest, rangeland. The agencys ecosystem approach to management integrates ecological, economic, and social factors to maintain and enhance the quality of the environment to meet current, the everyday work of the Forest Service balances resource extraction, resource protection, and providing recreation.5 billion trees per year. Further, the Forest Service fought fires on 2,996,000 acres of land in 2007, the Forest Service organization includes ranger districts, national forests, regions, research stations and research work units and the Northeastern Area Office for State and Private Forestry. Each level has responsibility for a variety of functions, the Chief of the Forest Service is a career federal employee who oversees the entire agency. The Chief reports to the Under Secretary for Natural Resources and Environment in the U. S. Department of Agriculture, there are five deputy chiefs for the following areas, National Forest System, State and Private Forestry, Research and Development, Business Operations, and Finance. The Forest Service Research and Development deputy area includes five stations, the Forest Products Laboratory. Station directors, like regional foresters, report to the Chief, Research stations include Northern, Pacific Northwest, Pacific Southwest, Rocky Mountain, and Southern. There are 92 research work units located at 67 sites throughout the United States, there are 80 Experimental Forests and Ranges that have been established progressively since 1908, many sites are more than 50 years old
28.
Book Cliffs
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The Book Cliffs are a series of desert mountains and cliffs in western Colorado and eastern Utah, in the western United States. They are so named because the cliffs of Cretaceous sandstone that cap many of the buttes appear similar to a shelf of books. Stretching nearly 200 miles from east to west, the Book Cliffs begin where the Colorado River descends south through De Beque Canyon into the Grand Valley to Price Canyon, the Book Cliffs appear mostly along the southern and western edge of the Tavaputs Plateau. The cliffs are composed of sedimentary materials. The Book Cliffs are within the Colorado Plateau geologic province, in the Colorado stretch of the Book Cliffs, abandoned coal mines are present, as significant coal resources were present in the region. These mines are now generally capped for safety, but several fatalities of recreational hikers have occurred at these mines since 1989. In some places, wild horses can be found in the Book Cliffs, for example, the Book Cliffs are one of the worlds best places to study sequence stratigraphy. In the 1980s, Exxon scientists used the Cretaceous strata of the Book Cliffs to develop the science of sequence stratigraphy. The Book Cliffs have preserved excellent strata of the basin of the ancient Western Interior Seaway that stretched north from the Gulf of Mexico to the Yukon in the Cretaceous time. Components of deltaic and shallow marine reservoirs are very well preserved in the Book Cliffs, large mammals found in the Book Cliffs include coyotes, mountain lions, bobcats, mule deer, pronghorn, American bison as an extension of the Henry Mountains bison herd and bighorn sheep. In January,2009, Utah Division of Wildlife Resources officials transplanted 31 bison from the Henry Mountains bison herd to the Book Cliffs, the new group joined 14 animals previously released in August,2008 from a private herd on the nearby Uintah and Ouray Indian Reservation. Since this herd is located approximately 100 miles north of the Henry Mountains, across mostly harsh, desert terrain, it should perhaps be considered as a separate herd, Cretaceous Paleogeography - Showing Western Interior Seaway The Soils of Western Colorado Mesa, Delta and Montrose Counties
29.
Elk Mountains (Colorado)
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The Elk Mountains are a high, rugged mountain range in the Rocky Mountains of west-central Colorado in the United States. The range sits west of the Sawatch Range and northeast of the West Elk Mountains, much of the range is located within the White River National Forest and the Gunnison National Forest, as well as the Maroon Bells-Snowmass Wilderness and Raggeds Wilderness. The Elk Mountains rise nearly 9,000 ft. above the Roaring Fork Valley to the north, the highest peaks in the range are its fourteeners, Castle Peak, Maroon Peak, Capitol Peak, Snowmass Mountain, Pyramid Peak, and North Maroon Peak. Maroon Peak and North Maroon Peak are collectively known as the Maroon Bells, mount Sopris sits at the northwest end of the range and dominates the skyline of the lower Roaring Fork Valley and the town of Carbondale, Colorado, serving as an unofficial symbol of the area. State Highway 133 traverses McClure Pass, at the end of the range. The range has been the site of mining activity since the days of the Colorado Silver Boom, in the late 19th century, the western and southern flank of the range became the site of intense coal mining activity which continues to the present day. Treasure Mountain, overlooking the town of Marble, is home to the famous Yule Marble Quarry, quarried marble was used to create The Tomb of the Unknowns, the Lincoln Memorial, Denver Post Office and other buildings. The range receives a great deal of snowfall due to its position to the west of the continental divide and this is exploited by the ski areas in the vicinity of Aspen, which are located on the flanks of smaller mountains alongside the Roaring Fork Valley
30.
Aspen Mountain (Colorado)
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Aspen Mountain is a mountain summit in the Elk Mountains range of the Rocky Mountains of North America. The 10, 705-foot peak is located in White River National Forest,1.4 miles south-southeast of downtown Aspen in Pitkin County, Colorado, United States. The north face of the mountain is the location of the Aspen Mountain ski area, the mountain flank was the site of intense mining activity in the late 1880s and early 1890s, with many remains of mining activity below and on the surface of the mountain. In the middle 20th century it became the site of recreational downhill skiing, in 1946, the newly formed Aspen Skiing Company, founded by Walter Paepcke, built the first chairlift to the top of the mountain and opened the ski area that bears the name of the mountain. Nowadays, people use a gondola, which holds six people. Aspen Mountain is alternatively called Ajax by the locals
31.
Capitol Peak (Colorado)
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Capitol Peak is a high and prominent mountain summit in the Elk Mountains range of the Rocky Mountains of North America. Capitol Peak lies on the ridge connecting the heart of the Elk Mountains with Mount Sopris to the northwest. Capitol Peak is notable for its impressive vertical relief, rising nearly 9,000 feet above the Roaring Fork Valley, Capitol Peak is one of the most difficult of Colorados fourteeners to climb. The only non-technical route, the Northeast Ridge, requires crossing the famously exposed Knife Edge, fatalities have occurred on this route. Other routes require technical climbing, for example, the Northwest Buttress Route. These routes have significant rockfall danger due to a deal of loose rock, however. A Climbing Guide to Colorados Fourteeners, photo Journal of a trip up Snowmass Mountain and Capitol Peak Capitol Peak. Archived from the original on 2008-05-09
32.
Castle Peak (Colorado)
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Castle Peak is the ninth highest summit of the Rocky Mountains of North America and the U. S. state of Colorado. The prominent 14, 279-foot fourteener is the highest summit of the Elk Mountains, the summit of Castle Peak is the highest point of both counties. Castle Peak takes its name from its castellated summit, the best climbing months are June, July, August, September through the Montezuma Glacier, a permanent snowfield between Castle and Conundrum Peaks. There are two routes for ascent. The Northwest Ridge features a moderate snow climb followed by an easy ridge scramble and it should not be attempted late in the summer when the 200 feet of loose dirt and scree meet the climber near the top of the Castle-Conundrum saddle. The Northeast Ridge features an easy climb, but slightly harder scrambling and route-finding once on the ridge. Conundrum Peak is a subsummit of Castle Peak. It has two closely spaced summits, the northern is higher, with elevation of 14, 040+ feet and it is 0.4 miles north of Castle Peak, and has 200 feet of clean topographic prominence. This does not meet the usual 300-foot prominence criterion for a separate peak, however
33.
Maroon Bells
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The Maroon Bells are two peaks in the Elk Mountains, Maroon Peak and North Maroon Peak, separated by about a third of a mile. The mountains are on the border between Pitkin County and Gunnison County, Colorado, United States, about 12 miles southwest of Aspen, Maroon Peak, at 14,163 feet, is the 27th highest peak in Colorado. North Maroon Peak, at 14,019 feet, is the 50th highest, the view of the Maroon Bells to the southwest from the Maroon Creek valley is commonly photographed. The peaks are located in the Maroon Bells-Snowmass Wilderness of White River National Forest, a US Forest Service sign on the access trail refers to these mountains as The Deadly Bells and warns would-be climbers of downsloping, loose, rotten and unstable rock that kills without warning. Unlike other mountains in the Rockies that are composed of granite and limestone, mudstone is weak and fractures readily, giving rise to dangerously loose rock along almost any route. The mudstone is responsible for the Bells distinctive maroon color, the Bells got their deadly name in 1965 when eight people died in five separate accidents. Maroon Lake occupies a basin that was sculpted by Ice-Age glaciers and later dammed by landslide, the Maroon Bells are an increasingly popular destination for day and overnight visitors, over 300,000 people visit the Bells every season. Due to the volume of people, a bus service runs everyday from 8am-5pm from mid-June through the first weekend in October, during these times, and with just a few exceptions, personal vehicle access is limited to those with handicap placards or disability license plates. The bus runs from Aspen Highlands to Maroon Lake every 20 minutes, the Maroon Bells scenic area features several hiking trails ranging from short hikes near Maroon Lake to longer hikes into the Maroon-Snowmass Wilderness. Because the Maroon Bells area receives high levels of visitor use. Colorado portal Mountains portal List of Colorado fourteeners Guide to Maroon Bells Colorado Maroon Bells on 14ers. com Maroon Bells on Distantpeak. com Maroon Bells Scenic Area on USFS
34.
Mount Sopris
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Mount Sopris is a twin-summit mountain in the northwestern Elk Mountains range of the Rocky Mountains of North America. Mount Sopris is located in western Pitkin County, south of Carbondale and southwest of the confluence of the Crystal, Mount Sopris is notable for having two summits, East Sopris and West Sopris, that are one-half mile apart and have the same elevation of 12,965 feet. It is named for Richard Sopris, a mayor of Denver. In 2011 J. P. McDaniels petitioned to rename East Sopris Mount John Denver after the Colorado singer, a local poll in Aspen and Carbondale said 74 percent of the respondents were against the proposal. Mount Sopris is not a volcano, but it is possible that an ancient volcano sat above it, due to subsequent continued erosion, any evidence is now gone. In either case, the rock makes up Sopris never reached the surface, cooling and crystallizing in situ. Nearby prominent peaks Mount Gunnison and Crested Butte are believed to have formed similarly, Mount Sopris dominates the skyline of Carbondale and the lower Roaring Fork Valley, serving as an unofficial symbol of the area. It is prominently visible from State Highway 82 in the vicinity of Carbondale, in terms of local relief, it is one of the largest peaks in the state of Colorado. For example, West Sopris rises 6,400 ft above the valley to the west in only 2.7 mi, in fact a vertical rise of over 6,000 feet in less than 3 miles is rare and impressive anywhere in the contiguous United States. The Mount Sopris Trail ascends to East Sopris via its east ridge and it starts near Dinkle Lake, on the northeast side of the mountain, and passes between the two Thomas Lakes just before reaching timberline. The ascent involves about 4,300 ft of vertical gain and 12 mi of hiking, it is a trail hike. Mount Sopris on Summitpost, an excellent article with many further links Rock Glacier on Mount Sopris at NASA Earth Observatory
35.
Pyramid Peak (Colorado)
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Pyramid Peak is a fourteen thousand foot mountain in the U. S. state of Colorado. It is the 47th highest mountain peak in Colorado, and 78th highest peak in the United States and it is located in the Elk Mountains in southeastern Pitkin County, approximately 12 miles southwest of Aspen. The summit somewhat resembles a square pyramid and is visible from the Roaring Fork River valley north of Aspen along the canyon of Maroon Creek. Like many of the peaks in the Elks, Pyramid Peak is quite steep, especially compared to more gentle fourteeners such as Mount Elbert. For example, the summit rises 4,000 feet above Crater Lake to the northwest in only 1.2 miles. The standard climbing routes on Pyramid Peak are the northeast and northwest ridges and these routes involve difficult route finding, high exposure, and a great deal of loose rock. Hence they are two of the most difficult and dangerous of all of the routes on the Colorado fourteeners. List of mountain peaks of Colorado List of Colorado fourteeners Pyramid Peak
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Snowmass Mountain
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Snowmass Mountain is a fourteen thousand foot mountain in the U. S. state of Colorado and the thirty-fourth highest mountain peak in the state. Snowmass Mountain is named for the large snowfield that lies on its eastern slopes, Hagerman Peak sits between Snowmass Mountain and Snowmass Peak and is also often mistaken for Snowmass Mountain. The route most commonly used to climb Snowmass Mountain is the Snowmass Creek approach, the route to the summit starts at Snowmass Lake, which is itself an 8. 1-mile hike up Snowmass Creek from the parking area. Most people hike to the lake, camp the night and then proceed to the top and this route is recommended in the spring and early summer when the snowfield still covers much of the route, however an ice axe is recommended for travel on the snowfield. Later in the summer there is more travel on talus and more danger from rockfall, an alternative in snow-free conditions is to hike up to the saddle between the peak and Hagerman Peak. From that point there are climbers trails which proceed on the side of the ridge to the summit. A different and much less used route climbs the west side of Snowmass Mountain from Geneva Lake, Snowmass Mountain Snowmass Peak List of mountain peaks of Colorado List of Colorado fourteeners Snowmass Mountain on 14ers. com Snowmass Mountain. Photo Journal from a trip up Snowmass Mountain and on to Capitol Peak Aspen Ski & Snow Report
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Snowmass Peak
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Snowmass Peak in the U. S. state of Colorado dominates the view from Snowmass Lake. It is often mistaken for Snowmass Mountain, the thirty-fourth highest mountain peak in the state, Snowmass Peak is not really a peak but the lower end of Hagerman Peaks east ridge. Natural forced perspective causes the illusion that Snowmass Peak is higher than Hagerman Peak though it is actually 221 ft shorter than Hagermans summit. This illusion combined with its striking rise behind Snowmass Lake justifies it being a point on USGS topographical maps. It is located in the Elk Mountains, within the Maroon Bells-Snowmass Wilderness of the White River National Forest and it lies along the border between Pitkin and Gunnison counties, west of Aspen and southwest of the town of Snowmass Village. The route used to climb Snowmass Peak is the Trail Rider Pass trail to Hagerman Peak and this trail can be accessed by Snowmass Creek approach off Divide Road Snowmass Village or the Geneva Lake trail. It is possible to reach the summit by horse between Hagerman Peak and Snowmass Mountain, but is more difficult
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Treasure Mountain (Colorado)
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Treasure Mountain, elevation 13,535 ft, is a summit in the Elk Mountains of western Colorado. The mountain is in the Raggeds Wilderness southeast of Marble, the massif has been the site of marble mining and a legend of lost French gold. Treasure Mountain forms a massif with Treasury Mountain, elevation 13,462 feet. Another Treasure Mountain, el.11,834 feet is located in Mineral County, the Ruby Range extends southward from Treasury Mountain forming the east boundary of the Raggeds Wilderness. The Yule Lakes are a series of lakes situated on the slopes which drain into Yule Creek. The watershed is part of Crystal River basin which drains the slopes of Treasure Mountain and is the northeastern boundary of Raggeds Wilderness. Yule Pass, south of Treasury Mountain separates the Raggeds Wilderness of the Sopris Ranger District from the Gunnison Ranger District, Yule Pass is to the east of the headwaters of Yule Creek. The Colorado Yule marble comes from the Leadville Limestone of Mississippian age quarried near the mountain and it was formed by contact metamorphism in the Tertiary period following the intrusion and uplift of nearby granitic Treasure Mountain dome. Yule marble was used in the building of the Lincoln Memorial, the Yule marble quarry is at an elevation of 9,300 ft on the west side of Treasure Mountain along Yule Creek. The original name of the peak was Citadel Mountain, the current name came from an ill-fated French mining expedition described in folklore documented in the 1930s and 1940s. The folklore states that the expedition was organized in the late 1700s by Napoleon Bonaparte, the expedition was reported to have consisted of 300 men and 450 horses. They left New Orleans and traveled through Leavenworth, Kansas en route to the Rocky Mountains, the folklore claims that a large amount of gold was discovered and amassed by the expedition near Wolf Creek Pass. The local Native Americans were reportedly friendly, but relations deteriorated. In the folklore, the French buried gold and escaped the area, one survivor by the name of Le Blanc made it back to Kansas. He was the historian and was reported to have made two maps of the hidden treasure. A later expedition failed to find the treasure, william Yule, many years later, claimed to possess a copy of the original map and explored the area south and west of the mountain. The mountain was named after the legend of the missing treasure, List of mountain peaks of North America List of mountain peaks of the United States List of mountain peaks of Colorado
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