1.
Historic districts in the United States
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Buildings, structures, objects and sites within a historic district are normally divided into two categories, contributing and non-contributing. Districts greatly vary in size, some have hundreds of structures, the U. S. federal government designates historic districts through the United States Department of Interior under the auspices of the National Park Service. Federally designated historic districts are listed on the National Register of Historic Places, state-level historic districts may follow similar criteria or may require adherence to certain historic rehabilitation standards. Local historic district designation offers, by far, the most legal protection for historic properties because most land use decisions are made at the local level, local districts are generally administered by the county or municipal government. The first U. S. historic district was established in Charleston, South Carolina in 1931, Charleston city government designated an Old and Historic District by local ordinance and created a board of architectural review to oversee it. New Orleans followed in 1937, establishing the Vieux Carré Commission, other localities picked up on the concept, with the city of Philadelphia enacting its historic preservation ordinance in 1955. The Supreme Court case validated the protection of resources as an entirely permissible governmental goal. In 1966 the federal government created the National Register of Historic Places, conference of Mayors had stated Americans suffered from rootlessness. By the 1980s there were thousands of federally designated historic districts, Historic districts are generally two types of properties, contributing and non-contributing. In general, contributing properties are integral parts of the historic context, in addition to the two types of classification within historic districts, properties listed on the National Register of Historic Places are classified into five broad categories. They are, building, structure, site, district and object, all but the eponymous district category are also applied to historic districts listed on the National Register. A listing on the National Register of Historic Places is governmental acknowledgment of a historic district, however, the Register is an honorary status with some federal financial incentives. The National Register of Historic Places defines a historic district per U. S. federal law, a district may also comprise individual elements separated geographically but linked by association or history. Districts established under U. S. federal guidelines generally begin the process of designation through a nomination to the National Register of Historic Places, the National Register is the official recognition by the U. S. government of cultural resources worthy of preservation. While designation through the National Register does offer a district or property some protections, if the federal government is not involved, then the listing on the National Register provides the site, property or district no protections. If, however, company A was under federal contract the Smith House would be protected, a federal designation is little more than recognition by the government that the resource is worthy of preservation. Usually, the National Register does not list religious structures, moved structures, reconstructed structures, however, if a property falls into one of those categories and are integral parts of districts that do meet the criteria then an exception allowing their listing will be made. Historic district listings, like all National Register nominations, can be rejected on the basis of owner disapproval, in the case of historic districts, a majority of owners must object in order to nullify a nomination to the National Register of Historic Places
2.
Aerial photography
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Aerial photography is the taking of photographs of the ground from an elevated/direct-down position. Usually the camera is not supported by a ground-based structure, mounted cameras may be triggered remotely or automatically, hand-held photographs may be taken by a photographer. Aerial photography should not be confused with air-to-air photography, where one or more aircraft are used as chase planes that chase, Aerial photography was first practiced by the French photographer and balloonist Gaspard-Félix Tournachon, known as Nadar, in 1858 over Paris, France. However, the photographs he produced no longer exist and therefore the earliest surviving aerial photograph is titled Boston, as the Eagle, taken by James Wallace Black and Samuel Archer King on October 13,1860, it depicts Boston from a height of 630m. Kite aerial photography was pioneered by British meteorologist E. D. Archibald in 1882 and he used an explosive charge on a timer to take photographs from the air. Frenchman Arthur Batut began using kites for photography in 1888, Samuel Franklin Cody developed his advanced Man-lifter War Kite and succeeded in interesting the British War Office with its capabilities. The first use of a motion picture camera mounted to an aircraft took place on April 24,1909 over Rome in the 3,28 silent film short. The use of aerial photography rapidly matured during the war, as aircraft were equipped with cameras to record enemy movements. At the start of the conflict, the usefulness of aerial photography was not fully appreciated, germany adopted the first aerial camera, a Görz, in 1913. The French began the war with several squadrons of Blériot observation aircraft equipped with cameras for reconnaissance, the French Army developed procedures for getting prints into the hands of field commanders in record time. Frederick Charles Victor Laws started aerial photography experiments in 1912 with No.1 Squadron of the Royal Flying Corps, in 1916 the Austro-Hungarian Monarchy made vertical camera axis aerial photos above Italy for map-making. The camera was inserted into the floor of the aircraft and could be triggered by the pilot at intervals. In January 1918, General Allenby used five Australian pilots from No.1 Squadron AFC to photograph a 624 square miles area in Palestine as an aid to correcting and improving maps of the Turkish front and this was a pioneering use of aerial photography as an aid for cartography. Beginning 5 January, they flew with an escort to ward off enemy fighters. The first commercial aerial photography company in the UK was Aerofilms Ltd, founded by World War I veterans Francis Wills, the company soon expanded into a business with major contracts in Africa and Asia as well as in the UK. Operations began from the Stag Lane Aerodrome at Edgware, using the aircraft of the London Flying School, subsequently, the Aircraft Manufacturing Company, hired an Airco DH.9 along with pilot entrepreneur Alan Cobham. From 1921, Aerofilms carried out vertical photography for survey and mapping purposes, during the 1930s, the company pioneered the science of photogrammetry, with the Ordnance Survey amongst the companys clients. One Fairchild aerial survey aircraft in 1935 carried unit that combined two synchronized cameras, and each camera having five six inch lenses with a ten-inch lenses, each photo covered two hundred and twenty five square miles
3.
Courtyard
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A courtyard or court is an enclosed area, often surrounded by a building or complex, that is open to the sky. Such spaces in inns and public buildings were often the meeting places for some purposes. Both of the court and yard derive from the same root. See yard and garden for the relation of this set of words, courtyards—private open spaces surrounded by walls or buildings—have been in use in residential architecture for almost as long as people have lived in constructed dwellings. The courtyard house makes its first appearance ca, Courtyards have historically been used for many purposes including cooking, sleeping, working, playing, gardening, and even places to keep animals. Before courtyards, open fires were burning in a central place within a home. Over time, these openings were enlarged and eventually led to the development of the centralized open courtyard we know today. Courtyard homes have been designed and built throughout the world many variations. Courtyard homes are prevalent in temperate climates, as an open central court can be an important aid to cooling house in warm weather. However, courtyard houses have been found in harsher climates as well for centuries, the comforts offered by a courtyard—air, light, privacy, security, and tranquility—are properties nearly universally desired in human housing. Ur,2000 BC — two-storey houses constructed around a square were built of fired brick. Kitchen, working, and public spaces were located on the ground floor, the central uncovered area in a Roman domus was referred to as an atrium. Today, we use the term courtyard to refer to such an area. Roman atrium houses were built side by side along the street and they were one-storey homes without windows that took in light from the entrance and from the central atrium. The hearth, which used to inhabit the centre of the home, was relocated, and these homes frequently incorporated a second open-air area, the garden, which would be surrounded by Greek-style colonnades, forming a peristyle. This created a colonnaded walkway around the perimeter of the courtyard, Courtyard houses in the Middle East reflect the nomadic influences of the region. Often the flat rooftops of these structures were used for sleeping in warm weather, in some Islamic cultures, private courtyards provided the only outdoor space for women to relax unobserved. The traditional Chinese courtyard house, e. g. siheyuan, is an arrangement of individual houses around a square
4.
Constitution Avenue
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Constitution Avenue is a major east-west street in the northwest and northeast quadrants of the city of Washington, D. C. in the United States. It was originally known as B Street, and its section was greatly lengthened and widened between 1925 and 1933. It received its current name on February 26,1931, Constitution Avenues western half defines the northern border of the National Mall and extends from the United States Capitol to the Theodore Roosevelt Bridge. Its eastern half runs through the neighborhoods of Capitol Hill and Kingman Park before it terminates at Robert F. Kennedy Memorial Stadium, a large number of federal departmental headquarters, memorials, and museums line Constitution Avenues western segment. In Pierre Charles LEnfants original plan for the city in 1791, B Street NW began at 6th Street NW and its eastern segment, which was unimpeded by any water obstacles, ran straight to the Eastern Branch river. Along its entire length, B Street was 60 feet wide, LEnfant proposed turning Tiber Creek into a canal. His plan included cutting a new canal south across the side of the United States Capitol grounds. The Washington Canal Company was incorporated in 1802, and after several false starts substantial work began in 1810, the Washington City Canal began operation in 1815. The canal suffered from problems and economic competition almost immediately. Traffic on the canal was adversely affected by forces, which the builders had not accounted for. At low tide, portions of the canal were almost dry, after the Baltimore and Ohio Railroad built Washington Branch into the city in 1835, competition from railroads left the canal economically unviable. Although the Washington City Canal remained in use after the coming of the railroad, by 1855 it had filled with silt and it remained in this condition throughout the 1860s. In 1871, Congress abolished the elected mayor and bicameral legislature of the District of Columbia, territorial government only lasted until 1874, but during this period the D. C. Board of Public Works enclosed the canal and turned it into a sewer, B Street NW from 15th Street to Virginia Avenue NW was constructed on top of it. Work began in October 1871 and was complete in December 1873 and this reclaimed land — which today includes West Potomac Park, East Potomac Park, the Tidal Basin — was largely complete by 1890, and designated Potomac Park by Congress in 1897. B Street NW extended through the newly created West Potomac Park between Virginia Avenue NW and 23rd Street NW, however, since this area was considered parkland, the street narrowed to just 40-foot in width. But Congress appropriated no money for the design or construction due to the onset of World War I, but after President Warren G. Congress approved funding for design work on June 12,1922, and authorized construction of the Arlington Memorial Bridge on February 24,1925. The 1925 legislation specified that B Street NW be treated as an approach to Arlington Memorial Bridge
5.
Louis Ayres
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His style is characterized as Medievalist, often emphasizing elements of Romanesque Revival and Italian Renaissance, and Byzantine Revival architecture. He is best known for designing the United States Memorial Chapel at the Meuse-Argonne American Cemetery and Memorial and he was born in 1874 in Bergen Point, New Jersey, to Mr. and Mrs. Chester D. Ayres. He graduated from Trinity School, a school located in New York City]. He attended Rutgers University, graduating in 1896 with a degree in electrical engineering, after graduation, he spent three years with the firm of McKim, Mead, and White, but left to join the firm of York and Sawyer. He became a partner in the firm in 1910, by 1921, he was one of the most prominent architects in the nation. From 1921 to 1925, he served on the prestigious U. S, Commission of Fine Arts, the federal advisory panel which had statutory approval over all major building projects in Washington, D. C. His four-year term expired in 1925, and he did not seek reappointment, the same year, he was one of the three judges on a panel which awarded the commission for the Liberty Memorial in Kansas City, Missouri, to Harold Van Buren Magonigle. In 1935, Ayres was elected into the National Academy of Design as an Associate member, one of Ayres most prominent commissions came in 1925, when he was asked to design a chapel for an American military cemetery in Europe. The ABMC was deeply influenced by Charles Moore, the chair of the Commission of Fine Arts and whose agency had final approval over the design of the cemeteries and memorials. The ABMCs plans changed and changed again over the several years. Ayres was commissioned to design the chapel at Meuse-Argonne, the largest and most important of the three sites, Ayres submitted two simple, classical designs and one French Romanesque design. The chapel was dedicated on Memorial Day in 1937, the 20th anniversary of the American entry into World War I, Ayres continued to serve the architectural profession in many important ways in the 1920s. He was one of three judges on a panel which in 1925 awarded the design for the proposed Theodore Roosevelt memorial to be built in West Potomac Park in Washington, in 1926, Rutgers University presented him with an honorary Doctor of Humane Letters. He also was a member of the Prix de Rome scholarship, in 1927, Ayres won a major commission to design the U. S. Department of Commerce building, an award which became one of his most important architectural designs. He also played a role on a board which helped plan the Federal Triangle government office building complex. The U. S. federal government had struggled with the need to build a number of large office buildings since the mid-1910s. In January 1924, the Public Buildings Commission recommended that a new series of office buildings be built near the White House. However, disagreements among the three planning bodies overseeing the project proved so fundamental that a year-long delay ensued, to end the disagreement, a Board of Architectural Consultants was created on May 19,1927, to advise the groups on the development of the project
6.
Neoclassicism
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The main Neoclassical movement coincided with the 18th-century Age of Enlightenment, and continued into the early 19th century, laterally competing with Romanticism. In architecture, the style continued throughout the 19th, 20th, European Neoclassicism in the visual arts began c.1760 in opposition to the then-dominant Baroque and Rococo styles. Each neo-classicism selects some models among the range of classics that are available to it. They ignored both Archaic Greek art and the works of Late Antiquity, the Rococo art of ancient Palmyra came as a revelation, through engravings in Woods The Ruins of Palmyra. While the movement is described as the opposed counterpart of Romanticism. The case of the main champion of late Neoclassicism, Ingres, demonstrates this especially well. The revival can be traced to the establishment of formal archaeology, the writings of Johann Joachim Winckelmann were important in shaping this movement in both architecture and the visual arts. With the advent of the Grand Tour, a fad of collecting antiquities began that laid the foundations of many great collections spreading a Neoclassical revival throughout Europe, Neoclassicism in each art implies a particular canon of a classical model. In English, the term Neoclassicism is used primarily of the arts, the similar movement in English literature. This, which had been dominant for decades, was beginning to decline by the time Neoclassicism in the visual arts became fashionable. Though terms differ, the situation in French literature was similar, in music, the period saw the rise of classical music, and Neoclassicism is used of 20th-century developments. Ingress coronation portrait of Napoleon even borrowed from Late Antique consular diptychs and their Carolingian revival, much Neoclassical painting is more classicizing in subject matter than in anything else. A fierce, but often very badly informed, dispute raged for decades over the merits of Greek and Roman art, with Winckelmann. The work of artists, who could not easily be described as insipid, combined aspects of Romanticism with a generally Neoclassical style. Unlike Carstens unrealized schemes, the etchings of Giovanni Battista Piranesi were numerous and profitable and his main subject matter was the buildings and ruins of Rome, and he was more stimulated by the ancient than the modern. Neoclassicism in painting gained a new sense of direction with the success of Jacques-Louis Davids Oath of the Horatii at the Paris Salon of 1785. Despite its evocation of republican virtues, this was a commission by the royal government, David managed to combine an idealist style with drama and forcefulness. David rapidly became the leader of French art, and after the French Revolution became a politician with control of government patronage in art
7.
Pennsylvania Avenue National Historic Site
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Pennsylvania Avenue National Historic Site is a National Historic Site in the city of Washington, D. C. Established on September 30,1965, the site is bounded by Constitution Avenue, 15th Street NW, F Street NW. Pennsylvania Avenue, the heart of the site, is recognized by many as Americas Main Street. A march or event held on the avenue is infused with a deal of political meaning. After seizure of the land by European settlers, David Burns obtained the first title to the area which would become Pennsylvania Avenue NW in 1774, article One, Section 8, of the United States Constitution established a District. Become the seat of the government of the United States, the Residence Act of 1790, established this district and gave to the President of the United States the authority to fix the location of the site somewhere along the Potomac River. President George Washington chose the current site of the city in 1791, Washington chose Pierre Charles LEnfant to plan the new city. Although unnamed at the time, Pennsylvania Avenue was designed in the LEnfant plan as a thoroughfare for bringing existing roads into the heart of the new city. It was also designed to link the presidents palace with the Capitol building planned for Jenkins Hill, the origin of the name Pennsylvania Avenue is somewhat obscure. The name was first applied to the avenue in a letter from surveyor, the actual clearing of Pennsylvania Avenue did not begin until spring 1796. The damp earned the street the nickname of the Great Serbonian Bog, in the fall of 1800, Pennsylvania Avenue was cleared of underbrush, and a 6-foot-wide raised footpath covered in stone chips was built. A stone bridge over Tiber Creek at 2nd Street was also built during this time, on March 3,1803, President Thomas Jefferson ordered that Pennsylvania Avenue be widened and the road completed. Benjamin Henry Latrobe, the newly hired to supervise the avenues reconstruction. The wooden blocks required such extensive repair, however, that between 1876 and 1877 they were replaced with rock from 1st to 6th Streets NW, the avenue was repaved in 1890 and again in 1907. The historic site saw limited growth prior to the 1850s, although a number of firsts also occurred in the area, two of the citys first three street lamps were established in the area near Capitol Hill in December 1801. Center Market, the citys first food market, was built the year on a lot on the south side of Pennsylvania Avenue between 7th and 8th Streets. It became the hub of the early commercial district. Over time, the district moved north, but its southern boundary continued to be marked by Pennsylvania Avenue
8.
Headquarters
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Headquarters denotes the location where most, if not all, of the important functions of an organization are coordinated. In the United States, the corporate headquarters represents the entity at the center or the top of a corporation taking full responsibility for managing all business activities, in the UK, the term head office is most commonly used for the HQs of large corporations. The term is also used regarding military organizations, a headquarters is the entity at the top of a corporation that takes full responsibility for the overall success of the corporation, and ensures corporate governance. Many companies have an office at a different address to their corporate office. A headquarters normally includes the leader of business unit and his or her staff as well as all functions to manage the business unit, the head of the business unit is responsible for overall result of the business unit. Military headquarters take many forms depending on the size and nature of the unit or formation they command, typically, they are split into the forward, main and rear components, both within NATO nations, and those following the organization and doctrine of the former Soviet Union. The forward or tactical HQs is a group of staff. The main HQs is less mobile and is involved in both the planning and execution of operations, there are a number of staff assembled here from various staff branches to advise the commander, and to control the various aspects of planning and the conduct of discrete operations. A main HQ for a large formation will have a chief of staff who coordinates the staff effort, the rear or logistic HQs is some distance from the battle or front line in conventional operations. The headquarters of the Catholic Church is Vatican City, the headquarters of the Russian Orthodox Church is in Danilov Monastery, Moscow. The World Council of Churches, including Orthodox Churches, has its headquarters in Geneva, the headquarters of Ecumenical Patriarch of Constantinople is located in Istanbul, Turkey. The headquarters of The Church of Jesus Christ of Latter-day Saints is located in Salt Lake City, Utah, the Anglican Communion Office is in London. In Japanese budō martial arts such as karate, judo, aikido, kendo, there is usually a headquarters for each organization or region. The Japanese word honbu is generally used for that, also outside Japan, sometimes they refer to this headquarters as honbu dojo in which dojo is a facility provided for practicing discipline, the training ground. Sometimes honbu is written as hombu, the way it is pronounced, but according to the Hepburn transcription, weapons and Tactics of the Soviet Army Janes, London,516 pp. Wanner, Herbert Global and regional corporate headquarters in, Kählin, Christian, H. Switzerland Business & Investment Handbook, Orell Füssli and Wiley, Wanner, Herbert, LeClef, Xavier, & Shimizu, Hiroshi Global Headquarters on the Move, From Administrators to Facilitators Prims Second Semester 2004, Arthur D. Little
9.
Pennsylvania Avenue
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Pennsylvania Avenue is a street in Washington, D. C. that connects the White House and the United States Capitol. Called Americas Main Street, it is the location of official parades and processions, moreover, Pennsylvania Avenue is an important commuter route and is part of the National Highway System. The avenue runs for a total of 5.8 miles inside Washington and it continues within the city for 3.5 miles, from the southeast corner of the Capitol grounds through the Capitol Hill neighborhood, and over the Anacostia River on the John Philip Sousa Bridge. At this point, as a highway, it becomes Southern Maryland Boulevard. At one point in the century, Pennsylvania Avenue was designated DC4. Northwest of the White House, Pennsylvania Avenue runs for 1.4 miles to its end at M Street NW in Georgetown, from 1862 to 1962, streetcars ran the length of the avenue from Georgetown to the Anacostia River. Although Pennsylvania Avenue extends six miles within Washington, D. C. the expanse between the White House and the Capitol constitutes the heart of the nation. Washington called this stretch most magnificent & most convenient, and it has served the country well, laid out by Pierre Charles LEnfant, Pennsylvania Avenue was one of the earliest streets constructed in the Federal City. The first reference to the street as Pennsylvania Avenue comes in a 1791 letter from Thomas Jefferson, one theory is that the street was named for Pennsylvania as consolation for moving the capital from Philadelphia. Both Jefferson and George Washington considered the avenue an important feature of the new capital, after inspecting LEnfants plan, President Washington referred to the thoroughfare as a Grand Avenue. Jefferson concurred, and while the avenue was little more than a wide dirt road ridiculed as The Great Serbonian Bog. At one time Pennsylvania Avenue provided an unobstructed view between the White House and the Capitol, the construction of an expansion to the Treasury Building blocked this view, and supposedly President Andrew Jackson did this on purpose. In November 2012, as part of preparations for the inauguration of Barack Obama. On September 30,1965, portions of the avenue and surrounding area were designated the Pennsylvania Avenue National Historic Site, the National Park Service administers this area which includes the United States Navy Memorial, Old Post Office Tower, and Pershing Park. Congress created the Pennsylvania Avenue Development Corporation on October 27,1972 to rehabilitate the street between the Capitol and the White House, an area seen as blighted. In 2010, the District of Columbia designated Pennsylvania Avenue from the terminus of John Philip Sousa Bridge to the Maryland state line to be a D. C. The city spent $430 million to beautify the street and improve the roadway, ever since an impromptu procession formed around Jeffersons second inauguration, every United States president except Ronald Reagan has paraded down the Avenue after taking the oath of office. From William Henry Harrison to Gerald Ford, the funeral corteges of seven of the eight presidents who died in office, franklin Roosevelt was the only president who died in office whose cortege did not follow this route
10.
Federal Triangle
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The Federal Triangle is a triangular area in Washington, D. C. formed by 15th Street NW, Constitution Avenue NW, Pennsylvania Avenue NW, and E Street NW. Federal Triangle is occupied by 10 large city and federal office buildings, seven of the buildings in Federal Triangle were built by the U. S. The Federal Triangle Washington Metro station serves Federal Triangle and the surrounding area, the name Federal Triangle appears to have been a journalistic invention. This name was in use by 1928, even by government officials, the Associated Press first used the term Federal Triangle in 1935. The New York Times first used the term in 1936, although the papers capitalization of both words did not become standardized until 1939, definitions of the area also varied at first. Early news reports believed the eastern apex of Federal Triangle extended as far east, but almost all reports referred to Pennsylvania Avenue NW and 15th Street NW as the Triangles northern and western boundaries. The Senate Park Commission was formed by the United States Congress in 1900 to reconcile competing visions for the development of Washington, D. C. and especially the National Mall, Congressional and local support for the redevelopment of Lafayette Square waned significantly. In the mid-1910s, Congress appropriated and the government spent $7 million to land on Pennsylvania Avenue NW between 14th and 15th Streets NW and several blocks south. But no demolition or construction was conducted, and the government merely collected rent from the tenants in the area, in 1924, the Public Buildings Commission recommended that a new series of federal office buildings be built near the White House. Federal Triangle had its genesis in 1926, an attempt to provide $50 million to fund, among other things, a national archives building and develop federal offices along Pennsylvania Avenue NW was proposed in 1925. S. However, appropriations were to be annually, leaving control of the project firmly in Congressional hands. Congress appropriated $50 million for construction of projects in 1927. A second appropriation bill provided $25 million for buying up all additional privately held land in Federal Triangle.9 million, a new Internal Revenue Bureau building, with total cost of land and construction to be $7.95 million. A new Department of Commerce building, with total cost of construction to be $10 million, Treasury officials said the Archives building was their top priority, followed by the Internal Revenue building, two Department of Agriculture projects, and the Commerce building last. At that time, no provision was made to construct a new building for the Department of Justice, preliminary plans for the Commerce building were presented to the Commission on Fine Arts and Public Building Commission in mid-June. On July 7, the Treasury Department and Commission of Fine Arts announced sites and sizes for the three previously announced structures. The Department of Commerce building would contain 1 million square feet of office space, the Internal Revenue building would contain 650,000 square feet of office space and take up two whole city blocks between 10th and 12th Streets NW and B and C Streets NW. The National Archives would contain 2.3 million square feet of office space, the government owned three of the four plots needed for the Internal Revenue site, but none of the land beneath the proposed Archives building
11.
National Mall
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The National Mall is a national park in downtown Washington, D. C. the capital of the United States. The National Park Service administers the National Mall, which is part of its National Mall, a smaller designation, sometimes referred to as the Mall proper, excludes both the Capitol grounds and the Washington Monument grounds, applying only to an area between them. The National Mall contains a number of museums and memorials and receives approximately 24 million visitors each year, in his 1791 plan for the future city of Washington, D. C. The National Mall occupies the site of this grand avenue. The Washington Monument stands near the site of its namesakes equestrian statue. Mathew Careys 1802 map is reported to be the first to name the area west of the United States Capitol as the Mall, during the early 1850s, architect and horticulturist Andrew Jackson Downing designed a landscape plan for the Mall. Over the next century, federal agencies developed several naturalistic parks within the Mall in accordance with Downings plan. Two such areas were Henry Park and Seaton Park, in addition, railroad tracks crossed the Mall on 6th Street, west of the Capitol. Near the tracks, a market and a railroad station rose on the north side of the Mall. Greenhouses belonging to the U. S. Botanic Garden appeared near the east end of the Mall, the plan differed from LEnfants by replacing the 400 feet wide grand avenue with a 300 feet wide vista containing a long and broad expanse of grass. Four rows of American elm trees planted fifty feet apart between two paths or streets would line each side of the vista. Buildings housing cultural and educational institutions constructed in the Beaux-Arts style would line each outer path or street, on the opposite side of the path or street from the elms. In subsequent years, the vision of the McMillan plan was followed with the planting of American elms. In accordance with a plan that it completed in 1976, the NPS converted the two innermost boulevards into gravel walking paths, the two outermost boulevards remain paved and open to vehicular traffic. Although the Navy intended the buildings to provide quarters for the United States military during World War I. Much of the area then became Constitution Gardens, which was dedicated in 1976. From the 1970s to 1994, a model of a triceratops named Uncle Beazley stood on the Mall in front of the National Museum of Natural History. The life-size statue, which is now located at the National Zoological Park in Northwest Washington, in 2003, the 108th United States Congress enacted the Commemorative Works Clarification and Revision Act
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