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90-1009: The directory is published in seven volumes that cover the continental United States , Puerto Rico , and the U.S. Virgin Islands . Each volume is updated every 56 days by the United States Department of Transportation (DOT) with information from the Federal Aviation Administration (FAA) and the National Aviation Charting Office (NACO). Information is provided on public-use and joint-use airports, heliports , and seaplane bases . The directory includes data that cannot be readily depicted in graphic form, including airport hours. In addition, each A/FD contains information such as parachute jumping areas and facility telephone numbers. The Airport/Facility Directory also provides

180-495: A cascading waterfall with Italian Renaissance -style architecture. Modern , Postmodern , contemporary , and other non-classical architectural styles are also seen in the city. The National Museum of African American History and Culture deeply contrasts the stone-based neoclassical buildings on the National Mall with a design that combines modern engineering with heavy inspiration from African art . The interior of

270-486: A 2023 population of 6.3 million residents. A locally elected mayor and 13-member council have governed the district since 1973, though Congress retains the power to overturn local laws. Washington, D.C., residents are, on the federal level, politically disenfranchised since the city's residents do not have voting representation in Congress; the city's residents elect a single non-voting congressional delegate to

360-487: A center of the nation's internal slave trade . After its survey, the new federal city was constructed on the north bank of the Potomac River, to the east of Georgetown centered on Capitol Hill . On September 9, 1791, three commissioners overseeing the capital's construction named the city in honor of President Washington. The same day, the federal district was named Columbia, a feminine form of Columbus , which

450-464: A density of 111.04 inhabitants/sq mi (42.872/km ), compared to 93.844/sq mi (36.233/km ) for the nation as a whole. While conterminous U.S. has the precise meaning of contiguous U.S. (both adjectives meaning "sharing a common boundary"), other terms commonly used to describe the 48 contiguous states have a greater degree of ambiguity. Because Alaska is also a part of North America , the term continental United States also includes that state, so

540-469: A federal town". In Federalist No. 43 , published January 23, 1788, James Madison argued that the new federal government would need authority over a national capital to provide for its own maintenance and safety. The Pennsylvania Mutiny of 1783 emphasized the need for the national government not to rely on any state for its own security. Article One, Section Eight of the Constitution permits

630-408: A garden-lined grand avenue about 1 mile (1.6 km) long and 400 feet (120 m) wide in an area that is now the National Mall inspired by the grounds at Versailles and Tuileries Gardens. In March 1792, President Washington dismissed L'Enfant due to conflicts with the three commissioners appointed to supervise the capital's construction. Andrew Ellicott , who worked with L'Enfant in surveying

720-477: A means for the FAA to communicate, in text form, updates to visual navigation charts between their revision dates — VFR Sectional and Terminal Area Charts are generally revised every six months. Volumes are side-bound at 5 + 3 ⁄ 8 by 8 + 1 ⁄ 4 inches (140 mm × 210 mm), and colored a distinctive green. As technology has improved, several vendors have started to offer some or all of

810-502: A modern glass exterior and heavy curvature. CityCenterDC is home to Palmer Alley, a pedestrian-only walkway, and houses several apartment buildings, restaurants, and luxury-brand storefronts with streamlined glass and metal facades. Outside Downtown D.C., architectural styles are more varied. Historic buildings are designed primarily in the Queen Anne , Châteauesque , Richardsonian Romanesque , Georgian Revival , Beaux-Arts , and

900-431: A relatively high homelessness rate, despite its high living standard compared to many American cities. Washington, D.C., is divided into four quadrants of unequal area: Northwest (NW) , Northeast (NE) , Southeast (SE) , and Southwest (SW) . The axes bounding the quadrants radiate from the U.S. Capitol. All road names include the quadrant abbreviation to indicate their location. House numbers generally correspond with

990-595: A snowstorm in January 1772. Hurricanes or their remnants occasionally impact the area in late summer and early fall. However, they usually are weak by the time they reach Washington, partly due to the city's inland location. Flooding of the Potomac River , however, caused by a combination of high tide, storm surge, and runoff, has been known to cause extensive property damage in the Georgetown neighborhood of

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1080-676: A special committee charged with beautifying Washington's ceremonial core. What became known as the McMillan Plan was finalized in 1901 and included relandscaping the Capitol grounds and the National Mall, clearing slums, and establishing a new citywide park system. The plan is thought to have largely preserved L'Enfant's intended design for the city. By law, the city's skyline is low and sprawling. The federal Height of Buildings Act of 1910 prohibits buildings with height exceeding

1170-441: A state, it was properly included within the continental U.S. due to being an incorporated territory . The term mainland United States is sometimes used synonymously with continental United States , but technically refers only to those parts of states connected to the landmass of North America, thereby excluding not only Hawaii and overseas insular areas , but also islands which are part of continental states but separated from

1260-473: A variety of Victorian styles. Rowhouses are prominent in areas developed after the Civil War and typically follow Federal and late Victorian designs. Georgetown 's Old Stone House , built in 1765, is the oldest-standing building in the city. Founded in 1789, Georgetown University features a mix of Romanesque and Gothic Revival architecture . The Ronald Reagan Building is the largest building in

1350-486: Is Jonesboro, with the telephone number and "Notices to Airmen" file code noted. Radar-assisted approach and departure control are provided by Memphis Center on 135.3 MHz. Associated navigational installations are the Gilmore low-altitude VOR on 113.0 MHz (channel 77 for military operations), with an identifier of GQE, at the location indicated, and a non-directional beacon on 332 kHz, identified by FCY, on

1440-469: Is actual land, composing 83.65 percent of the country's total land area, and is comparable in size to the area of Australia. Officially, 160,820.25 square miles (416,522.5 km ) of the contiguous United States is water area, composing 62.66 percent of the nation's total water area. The contiguous United States, if it were a country, would be fifth on the list of countries and dependencies by area , behind Russia , Canada , China , and Brazil . However,

1530-911: Is generally popular among tourists and locals. In 2007, six of the top ten buildings in the American Institute of Architects ' ranking of America's Favorite Architecture were in the city: the White House , Washington National Cathedral , the Jefferson Memorial , the United States Capitol , the Lincoln Memorial , and the Vietnam Veterans Memorial . The neoclassical , Georgian , Gothic , and Modern styles are reflected among these six structures and many other prominent edifices in

1620-427: Is hard-surfaced using asphalt , 3,014 feet (919 m) long and 50 feet (15 m) wide, and can bear aircraft with single-wheel landing gear up to 20,000 pounds. There is medium intensity runway lighting. Runway 36 (oriented north) has trees obstructing its approach. Free-text remarks follow. There is no control tower ; the common communications frequency is 122.8 MHz. The associated Flight Service Station

1710-501: Is water. The district is bordered by Montgomery County, Maryland , to the northwest; Prince George's County, Maryland , to the east; Arlington County, Virginia , to the west; and Alexandria, Virginia , to the south. The south bank of the Potomac River forms the district's border with Virginia and has two major tributaries, the Anacostia River and Rock Creek . Tiber Creek , a natural watercourse that once passed through

1800-633: The American Civil War in 1861 led to the expansion of the federal government and notable growth in the city's population, including a large influx of freed slaves. President Abraham Lincoln signed the Compensated Emancipation Act in 1862, which ended slavery in the district, freeing about 3,100 slaves in the district nine months before the Emancipation Proclamation . In 1868, Congress granted

1890-435: The Anacostia River to the east. Washington, D.C.'s street grid was extended, where possible, throughout the district starting in 1888. Georgetown's streets were renamed in 1895. Some streets are particularly noteworthy, including Pennsylvania Avenue , which connects the White House to the Capitol; and K Street, which houses the offices of many lobbying groups. Constitution Avenue and Independence Avenue , located on

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1980-544: The Chesapeake and Ohio Canal National Historical Park , the National Mall and Memorial Parks , Theodore Roosevelt Island , Columbia Island , Fort Dupont Park , Meridian Hill Park , Kenilworth Park and Aquatic Gardens , and Anacostia Park . The District of Columbia Department of Parks and Recreation maintains the city's 900 acres (3.6 km ) of athletic fields and playgrounds, 40 swimming pools, and 68 recreation centers. The U.S. Department of Agriculture operates

2070-552: The District of Columbia is within the contiguous United States. District of Columbia Washington, D.C. , formally the District of Columbia and commonly known as Washington or D.C. , is the capital city and federal district of the United States . The city is on the Potomac River , across from Virginia , and shares land borders with Maryland to its north and east. It was named after George Washington ,

2160-584: The House of Representatives in 2021 but was not adopted by the U.S. Senate . To become law it would have to be passed by the Senate and signed by president; it would have renamed the city Washington, Douglas Commonwealth and shrunk the Federal District to about the size of the national mall. Designed in 1791 by Pierre Charles L'Enfant , the city is divided into quadrants , which are centered around

2250-628: The International Monetary Fund , the Organization of American States , and other international organizations. Home to many of the nation's largest industry associations, non-profit organizations, and think tanks , D.C. is known as a lobbying hub, with K Street as the industry center. The city had 20.7 million domestic visitors and 1.2 million international visitors, ranking seventh among U.S. cities as of 2022. The Algonquian -speaking Piscataway people , also known as

2340-536: The National Mall , was fully enclosed underground during the 1870s. The creek also formed a portion of the now-filled Washington City Canal , which allowed passage through the city to the Anacostia River from 1815 until the 1850s. The Chesapeake and Ohio Canal starts in Georgetown and was used during the 19th century to bypass the Little Falls of the Potomac River, located at the northwest edge of

2430-599: The Northern Mariana Islands , Puerto Rico , and the U.S. Virgin Islands . The colloquial term " Lower   48 " is also used, especially in relation to Alaska. The related but distinct term continental United States includes Alaska, which is also on North America, but separated from the 48 states by British Columbia in Canada, but excludes Hawaii and all the insular areas in the Caribbean and

2520-582: The Northwest Angle in Minnesota are three such places. Alburgh, Vermont , is not directly connected by land, but is accessible by road via bridges from within Vermont and from New York. By contrast, Hyder, Alaska , is physically part of contiguous Alaska and its easternmost town, but the only practical access is by road through Canada or by seaplane. The 48 contiguous states are: In addition,

2610-531: The Pacific . The greatest distance (on a great-circle route) entirely within the contiguous U.S. is 2,802 miles (4,509 km), coast-to-coast between Florida and the State of Washington ; the greatest north–south line is 1,650 miles (2,660 km). The contiguous United States occupies an area of 3,119,884.69 square miles (8,080,464.3 km ). Of this area, 2,959,064.44 square miles (7,663,941.7 km )

2700-628: The South Pacific Ocean in Polynesia , south of the equator — it is 2,200 miles (3,500 km) southwest of Hawaii . In American Samoa, the contiguous United States is called the "mainland United States" or "the states"; those not from American Samoa are called palagi (outsiders). Apart from off-shore U.S. islands , a few continental portions of the contiguous United States are accessible by road only by traveling through Canada. Point Roberts, Washington ; Elm Point, Minnesota ; and

2790-623: The Washington Metro stations and the Hirshhorn Museum and Sculpture Garden are designed with strong influence from the 20th-century Brutalism movement. The Smithsonian Institution Building is built of Seneca red sandstone in the Norman Revival style. The Old Post Office building, located on Pennsylvania Avenue and completed in 1899, was the first building in the city to have a steel frame structure and

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2880-607: The White House , the Capitol, the Supreme Court Building , and multiple federal departments and agencies . The city is home to many national monuments and museums , located most prominently on or around the National Mall , including the Jefferson Memorial , the Lincoln Memorial , and the Washington Monument . It hosts 177 foreign embassies and serves as the headquarters for the World Bank ,

2970-467: The conterminous United States ) consists of the 48 adjoining U.S. states and the District of Columbia of the United States in central North America . The term excludes the only two non- contiguous states, which are Alaska and Hawaii (they are also the last two states to be admitted to the Union ), and all other offshore insular areas , such as the U.S. territories of American Samoa , Guam ,

3060-545: The 1830s, the district's southern territory of Alexandria declined economically, due in part to its neglect by Congress. Alexandria was a major market in the domestic slave trade and pro-slavery residents feared that abolitionists in Congress would end slavery in the district . Alexandria's citizens petitioned Virginia to retake the land it had donated to form the district, a process known as retrocession . The Virginia General Assembly voted in February 1846, to accept

3150-472: The 446-acre (1.80 km ) United States National Arboretum in Northeast Washington, D.C. Washington's climate is humid subtropical ( Köppen : Cfa ), or oceanic ( Trewartha : Do bordering Cf downtown). Winters are cool to cold with some snow of varying intensity, while summers are hot and humid. The district is in plant hardiness zone 8a near downtown, and zone 7b elsewhere in

3240-737: The 49th state of the United States on January 3, 1959. Alaska is the northwest extremity of the North American continent, separated from the U.S. West Coast by the Canadian province of British Columbia . The term Lower 48 has, for many years, been a common Alaskan equivalent for "contiguous United States"; today, many Alaskans use the term "Outside" for those states, though some may use "Outside" to refer to any location not within Alaska. The territory of Hawaii , consisting of

3330-535: The 9,122 acres (36.92 km ) of city land owned by the U.S. government. Rock Creek Park is a 1,754-acre (7.10 km ) urban forest in Northwest Washington, which extends 9.3 miles (15.0 km) through a stream valley that bisects the city. Established in 1890, it is the country's fourth-oldest national park and is home to a variety of plant and animal species, including raccoon, deer, owls, and coyotes. Other National Park Service properties include

3420-641: The Canadas , the British set fire to government buildings in the city, gutting the United States Capitol , the Treasury Building , and the White House in what became known as the burning of Washington . However, a storm forced the British to evacuate the city after just 24 hours. Most government buildings were repaired quickly, but the Capitol, which was largely under construction at the time, would not be completed in its current form until 1868. In

3510-488: The Capitol Building and include 131 neighborhoods . As of the 2020 census , the city had a population of 689,545. Commuters from the city's Maryland and Virginia suburbs raise the city's daytime population to more than one million during the workweek. The Washington metropolitan area , which includes parts of Maryland, Virginia, and West Virginia , is the country's seventh-largest metropolitan area , with

3600-513: The City of Washington in 1895. However, the city had poor housing and strained public works, leading it to become the first city in the nation to undergo urban renewal projects as part of the City Beautiful movement in the early 20th century. The City Beautiful movement built heavily upon the already-implemented L'Enfant Plan , with the new McMillan Plan leading urban development in

3690-521: The Conoy, inhabited the lands around the Potomac River and present-day Washington, D.C., when Europeans first arrived and colonized the region in the early 17th century. The Nacotchtank , also called the Nacostines by Catholic missionaries , maintained settlements around the Anacostia River in present-day Washington, D.C. Conflicts with European colonists and neighboring tribes ultimately displaced

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3780-590: The District of Columbia who were born in, or can trace their family ancestry to, Puerto Rico. The U.S. Virgin Islands is a U.S. territory located directly to the east of Puerto Rico in the Caribbean Sea. The term "stateside" is used to refer to the mainland, in relation to the U.S. Virgin Islands (see Stateside Virgin Islands Americans ). American Samoa is a U.S. territory located in

3870-654: The Interior by the American military organizations of the time—the future states of Alaska and Hawaii , then each only organized incorporated territories of the Union, were respectively covered by the Eleventh Air Force and Seventh Air Force during the war. Residents of Alaska, Hawaii and off-shore U.S. territories have unique labels for the contiguous United States because of their own locations relative to them. The vast territory of Alaska became

3960-645: The Piscataway people, some of whom established a new settlement in 1699 near Point of Rocks, Maryland . Nine cities served as capitals to the Continental Congress and under the Articles of Confederation . New York City was the first capital upon the adoption of the Constitution , succeeded by Philadelphia , which was capital from 1790 to 1800. On October 6, 1783, after the capital

4050-542: The U.S. House of Representatives. The city's voters choose three presidential electors in accordance with the Twenty-third Amendment , passed in 1961. Washington, D.C. anchors the southern end of the Northeast megalopolis . As the seat of the U.S. federal government , the city is an important world political capital . The city hosts the buildings that house federal government headquarters, including

4140-629: The airfield. This beacon is not monitored by the FAA for continuous operation during the hours shown. Finally a sketch map provides a visual orientation of the airport's layout and nearby obstructions, primarily trees. This article contains text taken from public-domain from the National Aeronautical Charting Office and FAA-H-8083-25, the Pilot’s Handbook of Aeronautical Knowledge. Continental United States The contiguous United States (officially

4230-504: The area. Blizzards affect Washington once every four to six years on average. The most violent storms, known as nor'easters , often impact large regions of the East Coast . From January 27 to 28, 1922 , the city officially received 28 inches (71 cm) of snowfall, the largest snowstorm since official measurements began in 1885. According to notes kept at the time, the city received between 30 and 36 inches (76 and 91 cm) from

4320-536: The borders of the federal district and placed boundary stones at every mile point; many of these stones are still standing. Both Maryland and Virginia were slave states , and slavery existed in the District from its founding. The building of Washington likely relied in significant part on slave labor, and slave receipts have been found for the White House, Capitol Building, and establishment of Georgetown University. The city became an important slave market and

4410-462: The city , primarily in the U ;Street, 14th Street, 7th Street, and H Street corridors, which were predominantly black residential and commercial areas. The riots raged for three days until more than 13,600 federal troops and Washington, D.C., Army National Guardsmen stopped the violence. Many stores and other buildings were burned, and rebuilding from the riots was not completed until

4500-480: The city at the Atlantic Seaboard fall line . The highest natural elevation in the district is 409 feet (125 m) above sea level at Fort Reno Park in upper northwest Washington, D.C. The lowest point is sea level at the Potomac River. The geographic center of Washington is near the intersection of 4th and L streets NW. The district has 7,464 acres (30.21 km ) of parkland, about 19% of

4590-490: The city but bankrupted its government. In 1874, Congress replaced the territorial government with an appointed three-member board of commissioners. In 1888, the city's first motorized streetcars began service. Their introduction generated growth in areas of the district beyond the City of Washington's original boundaries, leading to an expansion of the district over the next few decades. Georgetown's street grid and other administrative details were formally merged with those of

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4680-819: The city throughout the movement. Much of the old Victorian Mall was replaced with modern Neoclassical and Beaux-Arts architecture ; these designs are still prevalent in the city's governmental buildings today. Increased federal spending under the New Deal in the 1930s led to the construction of new government buildings, memorials, and museums in the district, though the chairman of the House Subcommittee on District Appropriations, Ross A. Collins of Mississippi , justified cuts to funds for welfare and education for local residents by saying that "my constituents wouldn't stand for spending money on niggers." World War II led to an expansion of federal employees in

4770-730: The city's classical-style architecture include buildings constructed in the French Second Empire style, including the Eisenhower Executive Office Building , and the modernist Watergate complex . The Thomas Jefferson Building , the main Library of Congress building, and the historic Willard Hotel are built in Beaux-Arts style , popular throughout the world in the late nineteenth and early twentieth centuries. Meridian Hill Park contains

4860-416: The city's total area, the second-highest among high-density U.S. cities after Philadelphia . The city's sizable parkland was a factor in the city being ranked as third in the nation for park access and quality in the 2018 ParkScore ranking of the park systems of the nation's 100 most populous cities, according to Trust for Public Land , a non-profit organization. The National Park Service manages most of

4950-421: The city, was then tasked with completing its design. Though Ellicott revised the original L'Enfant plans, including changing some street patterns, L'Enfant is still credited with the city's overall design. By the early 20th century, however, L'Enfant's vision of a grand national capital was marred by slums and randomly placed buildings in the city, including a railroad station on the National Mall. Congress formed

5040-408: The city. Summers are hot and humid with a July daily average of 79.8 °F (26.6 °C) and average daily relative humidity around 66%, which can cause moderate personal discomfort. Heat indices regularly approach 100 °F (38 °C) at the height of summer. The combination of heat and humidity in the summer brings very frequent thunderstorms, some of which occasionally produce tornadoes in

5130-530: The city. Many of the government buildings, monuments, and museums along the National Mall and surrounding areas are heavily inspired by classical Roman and Greek architecture. The designs of the White House, the U.S. Capitol, Supreme Court Building , Washington Monument , National Gallery of Art , Lincoln Memorial, and Jefferson Memorial are all heavily drawn from these classical architectural movements and feature large pediments, domes, columns in classical order, and heavy stone walls. Notable exceptions to

5220-469: The city. Precipitation occurs throughout the year. The highest recorded temperature was 106 °F (41 °C) on August 6, 1918, and on July 20, 1930. The lowest recorded temperature was −15 °F (−26 °C) on February 11, 1899 , right before the Great Blizzard of 1899 . During a typical year, the city averages about 37 days at or above 90 °F (32 °C) and 64 nights at or below

5310-680: The city; by 1950, the district's population reached its peak of 802,178 residents. The Twenty-third Amendment to the United States Constitution was ratified in 1961, granting the district three votes in the Electoral College for the election of president and vice president, but still not affording the city's residents representation in Congress. After the assassination of civil rights leader Martin Luther King Jr. on April 4, 1968, riots broke out in

5400-404: The continental United States, and as the 48 contiguous states. The District of Columbia is not always specifically mentioned as being part of CONUS . OCONUS is derived from CONUS with O for outside added, thus referring to Outside of Continental United States. The term lower 48 is also used to refer to the conterminous United States. The National Geographic style guide recommends

5490-405: The creation of the capital district along the Potomac River. The city was founded in 1791, and the 6th Congress held the first session in the unfinished Capitol Building in 1800 after the capital moved from Philadelphia . In 1801, the District of Columbia, formerly part of Maryland and Virginia and including the existing settlements of Georgetown and Alexandria , was officially recognized as

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5580-486: The district's African American male residents the right to vote in municipal elections. By 1870, the district's population had grown 75% in a decade to nearly 132,000 people, yet the city still lacked paved roads and basic sanitation. Some members of Congress suggested moving the capital farther west, but President Ulysses S. Grant refused to consider the proposal. In the Organic Act of 1871 , Congress repealed

5670-658: The east and north of the Potomac and the County of Alexandria to the west and south. After the Act's passage, citizens in the district were no longer considered residents of Maryland or Virginia, which ended their representation in Congress. On August 24, 1814, during the War of 1812 , British forces invaded and occupied the city after defeating an American force at Bladensburg . In retaliation for acts of destruction by American troops in

5760-441: The entire Hawaiian Islands archipelago except for Midway Atoll , became the 50th state of the United States on August 21, 1959. It is the southernmost U.S. state, and the latest one to join the Union. Not part of any continent, Hawaii is located in the Pacific Ocean , about 2,200 miles (3,541 km) from North America and almost halfway between North America and Asia . In Hawaii and overseas American territories , for instance,

5850-483: The establishment of a "District (not exceeding ten miles square) as may, by cession of particular states, and the acceptance of Congress, become the seat of the government of the United States". However, the constitution does not specify a location for the capital. In the Compromise of 1790 , Madison, Alexander Hamilton , and Thomas Jefferson agreed that the federal government would pay each state's remaining Revolutionary War debts in exchange for establishing

5940-500: The federal district was a square measuring 10 miles (16 km) on each side and totaling 100 square miles (259 km ). Two pre-existing settlements were included in the territory, the port of Georgetown , founded in 1751, and the port city of Alexandria, Virginia , founded in 1749. In 1791 and 1792, a team led by Andrew Ellicott , including Ellicott's brothers Joseph and Benjamin and African American astronomer Benjamin Banneker , whose parents had been enslaved, surveyed

6030-408: The federal district; initially, the city was a separate settlement within the larger district. In 1846, Congress returned the land originally ceded by Virginia , including the city of Alexandria. In 1871, it created a single municipality for the remaining portion of the district. There have been several unsuccessful efforts to make the district into a state since the 1880s; a statehood bill passed

6120-402: The first president of the United States . The district is named after Columbia , the female personification of the nation . The U.S. Constitution in 1789 called for the creation of a federal district under the exclusive jurisdiction of the U.S. Congress . As such, Washington, D.C., is not part of any state , and is not one itself. The Residence Act , adopted on July 16, 1790, approved

6210-506: The first to use electrical wiring in its design. Notable contemporary residential buildings, restaurants, shops, and office buildings in the city include the Wharf on the Southwest Waterfront , Navy Yard along the Anacostia River , and CityCenterDC in Downtown . The Wharf has seen the construction of several high-rise office and residential buildings overlooking the Potomac River . Additionally, restaurants, bars, and shops have been opened at street level. Many of these buildings have

6300-404: The freezing mark (32 °F or 0 °C). On average, the first day with a minimum at or below freezing is November 18 and the last day is March 27. Washington, D.C., was a planned city , and many of the city's street grids were developed in that initial plan. In 1791, President George Washington commissioned Pierre Charles L'Enfant , a French-born military engineer and artist, to design

6390-425: The image for a clearer view). The airport's FAA location identifier is FCY. It is 4 nautical miles (7.4 km) south of the city, its time zone is UTC -6 (UTC−5 in summer), and the geographical coordinates of its Airport Reference Point (ARP) are 34°56.52′N 90°46.50′W  /  34.94200°N 90.77500°W  / 34.94200; -90.77500 . It can be found on the Memphis VFR Sectional chart, and

6480-436: The individual charters of the cities of Washington and Georgetown , abolished Washington County , and created a new territorial government for the whole District of Columbia. These steps made "the city of Washington...legally indistinguishable from the District of Columbia." In 1873, President Grant appointed Alexander Robey Shepherd as Governor of the District of Columbia. Shepherd authorized large projects that modernized

6570-682: The information from these guides in electronic form (see links below). The seven volumes the A/FD is published in are: The facility descriptions in each book are ordered by state, and then by city within the state. Separate A/FDs are contained in the Alaska Supplement and the Pacific Chart Supplement . This sample page shows the entry for a small airport, Forrest City Municipal, in Arkansas (click on

6660-437: The late 1990s. In 1973, Congress enacted the District of Columbia Home Rule Act providing for an elected mayor and 13-member council for the district. In 1975, Walter Washington became the district's first elected and first black mayor. Since the 1980s, the D.C. statehood movement has grown in prominence. In 2016, a referendum on D.C. statehood resulted in an 85% support among Washington, D.C., voters for it to become

6750-468: The low-level en route chart 14F. It has at least one Instrument Approach Procedure, which is described elsewhere. The airport's elevation (at the ARP) is 249 feet (76 m), it has a rotating beacon at night ("B"), and both 100- octane avgas ("100LL") and jet fuel are available although there is no mechanical servicing facility. There is one runway, 18–36 (that is, approximately magnetic north–south); it

6840-596: The mainland, such as the Aleutian Islands ( Alaska ), San Juan Islands ( Washington ), the Channel Islands ( California ), the Keys ( Florida ), the barrier islands ( Gulf and East Coast states), and Long Island (New York). CONUS , a technical term used by the U.S. Department of Defense , General Services Administration , NOAA/National Weather Service , and others, has been defined both as

6930-497: The name Washington, Douglas Commonwealth (thus keeping the same abbreviation Washington, D.C.). The legalities, reasons, and impact of statehood have been heavily debated in the 2020s. Washington, D.C., is located in the Mid-Atlantic region of the U.S. East Coast . The city has a total area of 68.34 square miles (177 km ), of which 61.05 square miles (158.1 km ) is land and 7.29 square miles (18.9 km ) (10.67%)

7020-561: The nation's 51st state . In March 2017, the city's congressional delegate Eleanor Holmes Norton introduced a bill for statehood. Reintroduced in 2019 and 2021 as the Washington, D.C., Admission Act , the U.S. House of Representatives passed it in April 2021. After not progressing in the Senate, the statehood bill was introduced again in January 2023. The bill would have made D.C. into a state with one representative and two senators, with

7110-496: The new capital. He enlisted the help of Isaac Roberdeau, Étienne Sulpice Hallet and Scottish surveyor Alexander Ralston to help lay out the city plan. The L'Enfant Plan featured broad streets and avenues radiating out from rectangles, providing room for open space and landscaping. L'Enfant was also provided a roll of maps by Thomas Jefferson depicting Frankfurt, Amsterdam, Strasbourg, Paris, Orleans, Bordeaux, Lyon, Marseille, Turin, and Milan. L'Enfant's design also envisioned

7200-604: The new national capital in the Southern United States . On July 9, 1790, Congress passed the Residence Act , which approved the creation of a national capital on the Potomac River . Under the Residence Act, the exact location was to be selected by President George Washington , who signed the bill into law on July 16, 1790. Formed from land donated by Maryland and Virginia, the initial shape of

7290-552: The north and south sides of the National Mall, respectively, are home to many of Washington's iconic museums, including many Smithsonian Institution buildings and the National Archives Building . Washington hosts 177 foreign embassies ; these maintain nearly 300 buildings and more than 1,600 residential properties, many of which are on a section of Massachusetts Avenue informally known as Embassy Row . The architecture of Washington, D.C., varies greatly and

7380-404: The number of blocks away from the Capitol. Most streets are set out in a grid pattern with east–west streets named with letters (e.g., C Street SW), north–south streets with numbers (e.g., 4th Street NW), and diagonal avenues, many of which are named after states . The City of Washington was bordered on the north by Boundary Street (renamed Florida Avenue in 1890); Rock Creek to the west, and

7470-477: The return of Alexandria. On July 9, 1846, Congress went further, agreeing to return all territory that Virginia had ceded to the district during its formation. This left the district's area consisting only of the portion originally donated by Maryland. Confirming the fears of pro-slavery Alexandrians, the Compromise of 1850 outlawed the slave trade in the district, although not slavery itself. The outbreak of

7560-683: The term is qualified with the explicit inclusion of Alaska to resolve any ambiguity. On May 14, 1959, the United States Board on Geographic Names issued the following definitions based partially on the reference in the Alaska Omnibus Bill, which defined the continental United States as "the 49 States on the North American Continent and the District of Columbia..." The Board reaffirmed these definitions on May 13, 1999. However, even before Alaska became

7650-648: The terms the Mainland or U.S. Mainland are often used to refer to the 49 states in North America. Puerto Rico is an unincorporated territory of the United States located in the northeast Caribbean Sea , approximately 1,000 miles (1,609 km) southeast of Miami , Florida . Puerto Ricans born in Puerto Rico are U.S. citizens and are free to move to the mainland United States. The term Stateside Puerto Rican refers to residents of any U.S. state or

7740-411: The total area of the United States, including Alaska and Hawaii, ranks third or fourth. Brazil is 431,000 square kilometers (166,000 sq mi) larger than the contiguous United States, but smaller than the entire United States including Alaska, Hawaii and overseas territories. The 2020 U.S. census population of the area was 328,571,074, comprising 99.13 percent of the nation's total population, and

7830-587: The use of contiguous or conterminous United States instead of lower 48 when the 48 states are meant, unless used in the context of Alaska. Almost all of Hawaii is south of the southernmost point of the conterminous United States in Florida. During World War II , the first four numbered Air Forces of the United States Army Air Forces (USAAF) were said to be assigned to the Zone of

7920-541: The width of the adjacent street plus 20 feet (6.1 m). Despite popular belief, no law has ever limited buildings to the height of the United States Capitol or the 555-foot (169 m) Washington Monument , which remains the district's tallest structure. City leaders have cited the height restriction as a primary reason that the district has limited affordable housing and its metro area has suburban sprawl and traffic problems. Washington, D.C., still has

8010-419: Was a poetic name for the United States commonly used at that time. Congress held its first session there on November 17, 1800. Congress passed the District of Columbia Organic Act of 1801 , which officially organized the district and placed the entire territory under the exclusive control of the federal government. The area within the district was organized into two counties, the County of Washington to

8100-583: Was forced by the Pennsylvania Mutiny of 1783 to move to Princeton, Congress resolved to consider a new location for it. The following day, Elbridge Gerry of Massachusetts moved "that buildings for the use of Congress be erected on the banks of the Delaware near Trenton , or of the Potomac , near Georgetown , provided a suitable district can be procured on one of the rivers as aforesaid, for

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