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National Security Agency
(Encyclopedia)National Security Agency (NSA), an independent agency within the U.S. Dept. of Defense. Founded by presidential order in 1952, its primary functions are to collect and analyze communications intellige...National Parks and Monuments (table)
(Encyclopedia)National Parks and Monuments 1 National Parks and Monuments National Monuments National and International Historic Sites and Historical Parks National Memorials National Battlef...National Petroleum Reserve
(Encyclopedia)National Petroleum Reserve, area, c.23 million acres (9.32 million hectares), Alaska North Slope, situated W of Prudhoe Bay and the Arctic National Wildlife Refuge. The reserve, which is the largest r...Flaming Gorge Dam
(Encyclopedia)Flaming Gorge Dam, in a deep canyon of the Green River, NE Utah; built 1958–63 by the U.S. Bureau of Reclamation as a major unit in the Colorado River storage project. The dam regulates the flow of ...Custer Battlefield National Monument
(Encyclopedia)Custer Battlefield National Monument: see Little Bighorn, river; Little Bighorn National Battlefield under the National Parks and Monuments (table)national parks and monuments (table). ...Newberry National Volcanic Monument
(Encyclopedia)Newberry National Volcanic Monument: see National Parks and Monuments (table)national parks and monuments (table). ...Nicodemus National Historic Site
(Encyclopedia)Nicodemus National Historic Site: see National Parks and Monuments (table)national parks and monuments (table). ...Lincoln Boyhood National Memorial
(Encyclopedia)Lincoln Boyhood National Memorial: see National Parks and Monuments (table)national parks and monuments (table). ...Minidoka National Historic Site
(Encyclopedia)Minidoka National Historic Site: see National Parks and Monuments (table)national parks and monuments (table). ...Muir Woods National Monument
(Encyclopedia)Muir Woods National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...Browse by Subject
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