1.
City
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A city is a large and permanent human settlement. Cities generally have complex systems for sanitation, utilities, land usage, housing, a big city or metropolis usually has associated suburbs and exurbs. Such cities are associated with metropolitan areas and urban areas. Once a city expands far enough to another city, this region can be deemed a conurbation or megalopolis. Damascus is arguably the oldest city in the world, in terms of population, the largest city proper is Shanghai, while the fastest-growing is Dubai. There is not enough evidence to assert what conditions gave rise to the first cities, some theorists have speculated on what they consider suitable pre-conditions and basic mechanisms that might have been important driving forces. The conventional view holds that cities first formed after the Neolithic revolution, the Neolithic revolution brought agriculture, which made denser human populations possible, thereby supporting city development. The advent of farming encouraged hunter-gatherers to abandon nomadic lifestyles and to settle near others who lived by agricultural production, the increased population density encouraged by farming and the increased output of food per unit of land created conditions that seem more suitable for city-like activities. In his book, Cities and Economic Development, Paul Bairoch takes up position in his argument that agricultural activity appears necessary before true cities can form. According to Vere Gordon Childe, for a settlement to qualify as a city, it must have enough surplus of raw materials to support trade and a relatively large population. To illustrate this point, Bairoch offers an example, Western Europe during the pre-Neolithic, when the cost of transport is taken into account, the figure rises to 200,000 square kilometres. Bairoch noted that this is roughly the size of Great Britain, the urban theorist Jane Jacobs suggests that city formation preceded the birth of agriculture, but this view is not widely accepted. In his book City Economics, Brendan OFlaherty asserts Cities could persist—as they have for thousands of years—only if their advantages offset the disadvantages, OFlaherty illustrates two similar attracting advantages known as increasing returns to scale and economies of scale, which are concepts usually associated with businesses. Their applications are seen in more basic economic systems as well, increasing returns to scale occurs when doubling all inputs more than doubles the output an activity has economies of scale if doubling output less than doubles cost. To offer an example of these concepts, OFlaherty makes use of one of the oldest reasons why cities were built, in this example, the inputs are anything that would be used for protection and the output is the area protected and everything of value contained in it. OFlaherty then asks that we suppose the protected area is square, the advantage is expressed as, O = s 2, where O is the output and s stands for the length of a side. This equation shows that output is proportional to the square of the length of a side, the inputs depend on the length of the perimeter, I =4 s, where I stands for the quantity of inputs. So there are increasing returns to scale, O = I2 /16 and this equation shows that with twice the inputs, you produce quadruple the output
2.
Utah
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Utah is a state in the western United States. It became the 45th state admitted to the U. S. on January 4,1896, Utah is the 13th-largest by area, 31st-most-populous, and 10th-least-densely populated of the 50 United States. Utah has a population of more than 3 million, approximately 80% of whom live along the Wasatch Front, Utah is bordered by Colorado to the east, Wyoming to the northeast, Idaho to the north, Arizona to the south, and Nevada to the west. It also touches a corner of New Mexico in the southeast, approximately 62% of Utahns are reported to be members of The Church of Jesus Christ of Latter-day Saints or LDS, which greatly influences Utahn culture and daily life. The LDS Churchs world headquarters is located in Salt Lake City, Utah is the only state with a majority population belonging to a single church. The state is a center of transportation, education, information technology and research, government services, mining, in 2013, the U. S. Census Bureau estimated that Utah had the second fastest-growing population of any state. St. George was the metropolitan area in the United States from 2000 to 2005. Utah also has the 14th highest median income and the least income inequality of any U. S. state. A2012 Gallup national survey found Utah overall to be the best state to live in based on 13 forward-looking measurements including various economic, lifestyle, the name Utah is derived from the name of the Ute tribe. It means people of the mountains in the Ute language, according to other sources Utah is derived from the Apache name Yudah which means Tall. These Native American tribes are subgroups of the Ute-Aztec Native American ethnicity and were sedentary, the Ancestral Pueblo people built their homes through excavations in mountains, and the Fremont people built houses of straw before disappearing from the region around the 15th century. Another group of Native Americans, the Navajo, settled in the region around the 18th century, in the mid-18th century, other Uto-Aztecan tribes, including the Goshute, the Paiute, the Shoshone, and the Ute people, also settled in the region. These five groups were present when the first European explorers arrived, the southern Utah region was explored by the Spanish in 1540, led by Francisco Vásquez de Coronado, while looking for the legendary Cíbola. A group led by two Catholic priests—sometimes called the Dominguez-Escalante Expedition—left Santa Fe in 1776, hoping to find a route to the coast of California, the expedition traveled as far north as Utah Lake and encountered the native residents. The Spanish made further explorations in the region, but were not interested in colonizing the area because of its desert nature, in 1821, the year Mexico achieved its independence from Spain, the region became known as part of its territory of Alta California. European trappers and fur traders explored some areas of Utah in the early 19th century from Canada, the city of Provo, Utah was named for one, Étienne Provost, who visited the area in 1825. The city of Ogden, Utah was named after Peter Skene Ogden, in late 1824, Jim Bridger became the first known English-speaking person to sight the Great Salt Lake. Due to the salinity of its waters, Bridger thought he had found the Pacific Ocean
3.
ZIP Code
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ZIP Codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Plan, was chosen to suggest that the travels more efficiently, and therefore more quickly. The basic format consists of five numerical digits, an extended ZIP+4 code, introduced in 1983, includes the five digits of the ZIP Code, a hyphen, and four additional digits that determine a more specific location within a given ZIP Code. The term ZIP Code was originally registered as a servicemark by the U. S. Postal Service, USPS style for ZIP is all caps and the c in code is also capitalized, although style sheets for some publications use sentence case or lowercase. The early history and context of postal codes began with postal district/zone numbers, the United States Post Office Department implemented postal zones for numerous large cities in 1943. For example, Mr. John Smith 3256 Epiphenomenal Avenue Minneapolis 16, by the early 1960s a more organized system was needed, and on July 1,1963, non-mandatory five-digit ZIP Codes were introduced nationwide. Three months later, on October 1,1963, the U. S, an earlier list in June had proposed capitalized abbreviations ranging from two to five letters. The abbreviations have remained unchanged, with one exception, according to the historian of the U. S. Robert Moon, an employee of the post office, is considered the father of the ZIP Code, he submitted his proposal in 1944 while working as a postal inspector. The post office gives credit to Moon only for the first three digits of the ZIP Code, which describe the sectional center facility or sec center, an SCF is a central mail processing facility with those three digits. The SCF sorts mail to all post offices with those first three digits in their ZIP Codes, the mail is sorted according to the final two digits of the ZIP Code and sent to the corresponding post offices in the early morning. Sectional centers do not deliver mail and are not open to the public, Mail picked up at post offices is sent to their own SCF in the afternoon, where the mail is sorted overnight. The United States Post Office used a character, which it called Mr. ZIP. He was often depicted with a such as USE ZIP CODE in the selvage of panes of stamps or on labels contained in, or the covers of. In 1983, the U. S. Postal Service introduced an expanded ZIP Code system that it called ZIP+4, often called plus-four codes, add-on codes, or add ons. But initial attempts to promote use of the new format met with public resistance. For Post Office Boxes, the rule is that each box has its own ZIP+4 code. However, there is no rule, so the ZIP+4 Code must be looked up individually for each box. It is common to use add-on code 9998 for mail addressed to the postmaster,9999 for general delivery, for a unique ZIP Code, the add-on code is typically 0001
4.
Ogden, Utah
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Ogden /ˈɒɡdɛn/ is a city and the county seat of Weber County, Utah, United States, approximately 10 miles east of the Great Salt Lake and 40 miles north of Salt Lake City. The population was 84,316 in 2014, according to the US Census Bureau, the city served as a major railway hub through much of its history, and still handles a great deal of freight rail traffic which makes it a convenient location for manufacturing and commerce. Ogden is also known for its historic buildings, proximity to the Wasatch Mountains. Ogden is a city of the Ogden–Clearfield, Utah Metropolitan Statistical Area, which includes all of Weber, Morgan, Davis. The 2010 Census placed the Metro population at 597,159, in 2010, Forbes rated the Ogden-Clearfield MSA as the 6th best place to raise a family. Ogden has had a Sister City relationship to Hof since 1954, originally named Fort Buenaventura, the city of Ogden was the first permanent settlement by people of European descent in the region that is now Utah. It was established by the trapper Miles Goodyear in 1846 about a mile west of where downtown Ogden is currently located, in November 1847, Fort Buenaventura was purchased by the Mormon settlers for $1,950. There is some confusion in which Ogden was the first to set foot in the Utah city, peters older brother Samuel Ogden traveled though the western United States on an exploration trip in 1818. The site of the original Fort Buenaventura is now a Weber County park, Ogden is the closest sizable city to the Golden Spike location at Promontory Summit, Utah, where the First Transcontinental Railroad was joined in 1869. Railroad passengers traveling west to San Francisco from the eastern United States typically passed through Ogden, in 1972, The Church of Jesus Christ of Latter-day Saints completed construction of and dedicated the Ogden Utah Temple in Ogden. The temple was built to serve the large LDS population in the area, in 2010, the LDS Church announced a major renovation of the Ogden Temple and the adjacent Tabernacle. The Temple was rededicated in 2014, because Ogden has historically been the second largest city in Utah, it is home to a large number of historic buildings. However, by the 1980s, several Salt Lake City suburbs, the Defense Depot Ogden Utah operated in Ogden from 1941 to 1997. Some of its 1,128 acres has since converted into a commercial and industrial park called the Business Depot Ogden. Ogden is located at 41°13′11″N 111°58′16″W, at the foot of the Wasatch Mountains, according to the United States Census Bureau, the city has a total area of 26.6 square miles, all land. Elevations in the city range from about 4,300 to 5,200 feet above sea level, the Ogden and Weber Rivers, which originate in the mountains to the east, flow through the city and meet at a confluence just west of the city limits. Pineview Dam is located in the Ogden River Canyon 7 miles east of Ogden, the reservoir behind the dam provides over 110,000 acre feet of water storage and water recreation for the area. Prominent mountain peaks near Ogden include Mount Ogden to the east, Ogden experiences a dry summer continental climate
5.
Clearfield, Utah
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Clearfield is a city in Davis County, Utah, United States. The population was 30,112 at the 2010 census, Clearfield is a principal city of the Ogden–Clearfield, Utah Metropolitan Statistical Area, which includes all of Davis, Morgan, and Weber counties. Clearfield was one of the last communities to be settled in the part of Davis County. Hunters and Native American Warriors knew this land before the first white man settled here and they referred to it as the land of wind and sand. There was no water for those early families until wells could be successfully dug, the only water available at first had to be hauled in large barrels from Kays Creek in East Layton. But the great event that did more to transform the bleak Sand Ridge into a garden spot was the coming of the Davis. This caused a population boom in the area as people plowed up the sagebrush, cactus, and prickly pears. Many Clearfield children went to school in nearby Syracuse by walking several miles a day, in 1907, the new Clearfield Elementary School opened its doors to those same children. The school taught first through eighth grades and operated until 1923 when it was destroyed by fire, the new building later acquired the name Pioneer School. North Davis Junior High School was built and opened its doors in 1939, the building cost approximately $170,000 to build. That first year, there were 18 faculty members and 585 students, throughout the following years, Clearfield was known as a peaceful farming community. However, the addition of defense installations in the changed the agricultural community. Construction began on Hill Field in 1940 and the facility eventually stretched along the border of Clearfield. The base has since provided many jobs for civilians and is one of Utahs major employers, on the southwestern side of Clearfield, the U. S. Navy installed the Clearfield Naval Supply Depot in 1943. The dry climate was ideal for storage, and there was a supply of manpower. Another more modern school, South Clearfield Elementary, was added during 1950 to help keep pace with the growing population, the early winter of 1959 saw the beginnings of Clearfield High School, the first high school in northern Davis County. The Clearfield Naval Supply Depot was eventually phased out by 1962, private firms soon began moving into the large warehouse buildings. The area became known as the Freeport Center and today is a major hub for manufacturing, warehousing
6.
Wetland
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A wetland is a land area that is saturated with water, either permanently or seasonally, such that it takes on the characteristics of a distinct ecosystem. The primary factor that distinguishes wetlands from other forms or water bodies is the characteristic vegetation of aquatic plants. Wetlands play a number of roles in the environment, principally water purification, flood control, carbon sink, Wetlands are also considered the most biologically diverse of all ecosystems, serving as home to a wide range of plant and animal life. Wetlands occur naturally on every continent except Antarctica, the largest including the Amazon River basin, the West Siberian Plain, the water found in wetlands can be freshwater, brackish, or saltwater. The main wetland types include swamps, marshes, bogs, and fens, and sub-types include mangrove, carr, pocosin, the UN Millennium Ecosystem Assessment determined that environmental degradation is more prominent within wetland systems than any other ecosystem on Earth. International conservation efforts are being used in conjunction with the development of rapid assessment tools to people about wetland issues. Constructed wetlands can be used to treat municipal and industrial wastewater as well as stormwater runoff and they may also play a role in water-sensitive urban design. A patch of land that develops pools of water after a storm would not be considered a wetland. Wetlands have unique characteristics, they are distinguished from other water bodies or landforms based on their water level. Specifically, wetlands are characterized as having a table that stands at or near the land surface for a long enough period each year to support aquatic plants. A more concise definition is a community composed of hydric soil, Wetlands have also been described as ecotones, providing a transition between dry land and water bodies. In environmental decision-making, there are subsets of definitions that are agreed upon to make regulatory and policy decisions. A wetland is an ecosystem that arises when inundation by water produces soils dominated by anaerobic processes, There are four main kinds of wetlands – marsh, swamp, bog and fen. Some experts also recognize wet meadows and aquatic ecosystems as additional wetland types, the largest wetlands in the world include the swamp forests of the Amazon and the peatlands of Siberia. Under the Ramsar international wetland conservation treaty, wetlands are defined as follows, Article 2.1, may incorporate riparian and coastal zones adjacent to the wetlands, and islands or bodies of marine water deeper than six metres at low tide lying within the wetlands. Although the general definition given above applies around the world, each county, Wetlands generally include swamps, marshes, bogs and similar areas. This definition has been used in the enforcement of the Clean Water Act, some US states, such as Massachusetts and New York, have separate definitions that may differ from the federal governments. It is not uncommon for a wetland to be dry for long portions of the growing season, the most important factor producing wetlands is flooding
7.
Marriage
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The definition of marriage varies according to different cultures, but it is principally an institution in which interpersonal relationships, usually sexual, are acknowledged. In some cultures, marriage is recommended or considered to be compulsory before pursuing any sexual activity, when defined broadly, marriage is considered a cultural universal. Individuals may marry for several reasons, including legal, social, libidinal, emotional, financial, spiritual, whom they marry may be influenced by socially determined rules of incest, prescriptive marriage rules, parental choice and individual desire. In some areas of the world, arranged marriage, child marriage, polygamy, conversely, such practices may be outlawed and penalized in parts of the world out of concerns for womens rights and because of international law. These trends coincide with the human rights movement. Marriage can be recognized by a state, an organization, an authority, a tribal group. It is often viewed as a contract, Marriages can be performed in a secular civil ceremony or in a religious setting via a wedding ceremony. The act of marriage usually creates normative or legal obligations between the individuals involved, and any offspring they may produce, some cultures allow the dissolution of marriage through divorce or annulment. In some areas, child marriages and polygamy may occur in spite of laws against the practice. For example, the number of marriages in Europe decreased by 30% from 1975 to 2005 and these changes have occurred primarily in Western countries. The word marriage derives from Middle English mariage, which first appears in 1250–1300 CE and this in turn is derived from Old French, marier, and ultimately Latin, marītāre, meaning to provide with a husband or wife and marītāri meaning to get married. The adjective marīt-us -a, -um meaning matrimonial or nuptial could also be used in the form as a noun for husband. Anthropologists have proposed several competing definitions of marriage in an attempt to encompass the wide variety of marital practices observed across cultures, even within Western culture, definitions of marriage have careened from one extreme to another and everywhere in between. The anthropological handbook Notes and Queries defined marriage as a union between a man and a such that children born to the woman are the recognized legitimate offspring of both partners. In recognition of a practice by the Nuer people of Sudan allowing women to act as a husband in certain circumstances, Kathleen Gough suggested modifying this to a woman, none of these men had legal rights to the womans child. Economic anthropologist Duran Bell has criticized the definition on the basis that some societies do not require marriage for legitimacy. He argued that a definition of marriage is circular in societies where illegitimacy has no other legal or social implications for a child other than the mother being unmarried. In 1955 article in Man, Leach argued that no one definition of marriage applied to all cultures and he offered a list of ten rights associated with marriage, including sexual monopoly and rights with respect to children, with specific rights differing across cultures
8.
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
9.
Great Salt Lake
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The Great Salt Lake, located in the northern part of the U. S. state of Utah, is the largest salt water lake in the Western Hemisphere, and the eighth-largest terminal lake in the world. In an average year the lake covers an area of around 1,700 square miles, for instance, in 1963 it reached its lowest recorded size at 950 square miles, but in 1988 the surface area was at the historic high of 3,300 square miles. In terms of area, it is the largest lake in the United States that is not part of the Great Lakes region. The lake is the largest remnant of Lake Bonneville, a prehistoric lake that once covered much of western Utah. The three major tributaries to the lake, the Jordan, Weber, and Bear rivers together deposit around 1.1 million tons of minerals in the each year. As it is endorheic, it has very high salinity, far saltier than seawater, which makes swimming similar to floating and its shallow, warm waters cause frequent, sometimes heavy lake-effect snows from late fall through spring. The Great Salt Lake is a remnant of a larger prehistoric lake called Lake Bonneville. At its greatest extent, Lake Bonneville spanned 22,400 square miles, nearly as large as present-day Lake Michigan, and roughly ten times the area of the Great Salt Lake today. Bonneville reached 923 ft at its deepest point, and covered much of present-day Utah and small portions of Idaho, Lake Bonneville existed until about 16,800 years ago, when a large portion of the lake was released through the Red Rock Pass in Idaho. With the warming climate, the lake began to dry, leaving the Great Salt Lake, Utah Lake, Sevier Lake. While the lake was known by local Native Americans, it entered written history through the records of Silvestre Vélez de Escalante. No name was given to it at the time, and it was not shown on the map by Bernardo Miera y Pacheco, in 1824, it was observed, apparently independently, by Jim Bridger and Etienne Provost. Shortly thereafter other trappers saw it and walked around it, most of the trappers, however, were illiterate and did not record their discoveries. As oral reports of their findings made their way to those who did make records, Escalante had been on the shores of Utah Lake, which he named Laguna Timpanogos. It was the larger of the two lakes that appeared on Mieras map, other cartographers followed his lead and charted Lake Timpanogos as the largest lake in the region. As people came to know of the Great Salt Lake, they interpreted the maps to think that Timpanogos referred to the Great Salt Lake, on some maps the two names were used synonymously. In time Timpanogos was dropped from the maps and its association with Utah Lake was forgotten. Fremont led the first scientific expedition to the lake, but with winter coming on and that happened in 1850 under the leadership of Howard Stansbury
10.
Population density
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Population density is a measurement of population per unit area or unit volume, it is a quantity of type number density. It is frequently applied to living organisms, and most of the time to humans and it is a key geographical term. Population density is population divided by land area or water volume. Low densities may cause a vortex and lead to further reduced fertility. This is called the Allee effect after the scientist who identified it, commonly this may be calculated for a county, city, country, another territory, or the entire world. The worlds population is around 7,000,000,000, therefore, the worldwide human population density is around 7,000,000,000 ÷510,000,000 =13.7 per km2. If only the Earths land area of 150,000,000 km2 is taken into account and this includes all continental and island land area, including Antarctica. If Antarctica is also excluded, then population density rises to over 50 people per km2, thus, this number by itself does not give any helpful measurement of human population density. Several of the most densely populated territories in the world are city-states, microstates, cities with high population densities are, by some, considered to be overpopulated, though this will depend on factors like quality of housing and infrastructure and access to resources. Most of the most densely populated cities are in Southeast Asia, though Cairo, for instance, Milwaukee has a greater population density when just the inner city is measured, and the surrounding suburbs excluded. Arithmetic density, The total number of people / area of land, physiological density, The total population / area of arable land. Agricultural density, The total rural population / area of arable land, residential density, The number of people living in an urban area / area of residential land. Urban density, The number of people inhabiting an urban area / total area of urban land, ecological optimum, The density of population that can be supported by the natural resources. S. States by population density Selected Current and Historic City, Ward & Neighborhood Density
11.
Davis County, Utah
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Davis County is a county located in the U. S. state of Utah. As of the 2010 census, the population was 306,479 and its county seat is Farmington, and its largest city is Layton. The county was created in 1850 and was named for Daniel C, Davis, captain in the Mormon Battalion. Davis County is part of the Ogden-Clearfield, UT Metropolitan Statistical Area as well as the Salt Lake City-Provo-Orem, during its first 50 years, Davis County grew slowly. With the advent of the Utah Central Rail Road in 1870, a transition to mechanized agriculture and a surge of commerce, banking, improved roads, new water systems, However, by 1940, the population was barely 16,000. With the establishment of Hill Air Force Base in northern Davis County, the county doubled in population between 1940 and 1950, and doubled again between 1950 and 1960 as part of the nationwide suburb boom that was occurring at the time. By 1990 there were 188,000 residents, and in 2000, by 2030, the county is expected to have a population of about 360,000. According to the U. S. Census Bureau, the county has an area of 634 square miles. It is the smallest county in Utah by land area and second smallest by total area. The county lies generally between the Great Salt Lake on the west and the Wasatch Range on the east, which rises to a height of 9,707 feet in the county at Thurston Peak, Davis County includes Antelope Island, which is the largest island in the lake. The entire island is a park, designated to protect natural scenery and especially wildlife on the island, which includes bighorn sheep, pronghorn. The populated portion that lies between the Great Salt Lake and the Wasatch Range belongs to the Wasatch Front, a stretch of land that restricts north-south transportation in the county. Salt Lake County Morgan County Weber County Box Elder County Tooele County Davis County lies in a climate zone. Snow is frequent during winter, with up to 90 in annually on high areas in the east. Annual precipitation averages between 18 and 25 inches in the county, with spring being the wettest season and summer the driest, summers are hot, with several days each year averaging above 95 °F. However, the humidity is low, making for comparatively comfortable temperatures. In winter, temperatures drop below 0 °F, but rarely for extended periods of time. Compared to Salt Lake County to the south, the weather in Davis County is extreme, lake-effect snows hit the southern portion of the county harder, and even in non-lake-effect storms, the lack of a rain shadow in Davis County means that storms often hit Davis County harder. In addition, canyon winds from the east can sometimes cause devastating wind damage and this occurs when a powerful high pressure system situates itself over Wyoming, and is a common occurrence
12.
1930 United States Census
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The original census enumeration sheets were microfilmed by the Census Bureau in 1949, after which the original sheets were destroyed. The microfilmed census is located on 2,667 rolls of microfilm, several organizations also host images of the microfilmed census online, and digital indices. Microdata from the 1930 census are available through the Integrated Public Use Microdata Series. Aggregate data for small areas, together with electronic boundary files, can be downloaded from the National Historical Geographic Information System
West Point
