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The National Inventory of Dams defines a major dam as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3). The following is a partial list of dams and reservoirs in the United States. There are an estimated 84,000 dams in the ...
Top 25 water ports by tonnage. This is a list of ports of the United States, ranked by tonnage. Ports in the United States handle a wide variety of goods that are critical to the global economy, including petroleum, grain, steel, automobiles, and containerized goods. See the articles on individual ports for more information, including history ...
38°54′05″N 77°02′46″W. / 38.901444°N 77.046167°W / 38.901444; -77.046167 ( Cleveland Abbe House) Cleveland Abbe, a prominent meteorologist who became known as the father of the National Weather Service, lived in this house from 1877 to 1909. Previous occupants in the early decades of the 19th century included James ...
National Mall. / 38.89000°N 77.02361°W / 38.89000; -77.02361. The National Mall is a landscaped park near the downtown area of Washington, D.C., the capital city of the United States. It contains and borders a number of museums of the Smithsonian Institution, art galleries, cultural institutions, and various memorials, sculptures, and ...
The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas).
National Archives Building. / 38.89278°N 77.02306°W / 38.89278; -77.02306. The National Archives Building, known informally as Archives I, is the headquarters of the United States National Archives and Records Administration. It is located north of the National Mall at 700 Pennsylvania Avenue, N.W. in Washington, D.C.
Bead Museum, closed December 2008, [8] museum website. Black Fashion Museum, founded 1979, moved to Washington in 1994, closed in 2007 and collection donated to the National Museum of African American History and Culture [9] [10] Corcoran Gallery of Art, open 1869–2014.
Best Lake: Lake Erie in New York, Ohio, and Pennsylvania. Lake Erie. It may be the shallowest of North America's Great Lakes, but Lake Erie has a massive amount of potential when it comes to both ...