Author
United States. National Park Service
273
United States. Congress. Senate. Committee on Energy and Natural Resources
160
United States. Congress. House. Committee on Natural Resources,
95
United States. National Park Service,
92
United States. Congress. House. Committee on Resources
80
United States. Congress. Senate. Committee on Energy and Natural Resources,
74
United States. National Park Service. Natural Resource Stewardship and Science,
63
Colorado Historical Society. Office of Archaeology and Historic Preservation
58
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks
41
United States. Congress. House. Committee on Natural Resources
40
Olmsted Center for Landscape Preservation (U.S.)
37
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Public Lands, National Parks, and Forests
35
United States. National Park Service. Denver Service Center
32
Olmsted Center for Landscape Preservation (U.S.),
27
United States,
27
Harpers Ferry Center (U.S.)
24
Auwaerter, John E. 1964-
21
National Register of Historic Places
21
Harpers Ferry Center (U.S.),
18
SpringerLink (Online service)
18
Junior Ranger Program (United States. National Park Service)
17
Natural Resource Program Center (U.S.),
17
United States. Congress. House. Committee on Resources. Subcommittee on National Parks, Recreation, and Public Lands
16
United States. National Park Service. Preservation Assistance Division
15
Curry, George W., 1940-
14
Thornberry, Trista L.,
14
Midwest Archeological Center (U.S.),
13
United States. Advisory Council on Historic Preservation
13
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks, Historic Preservation, and Recreation
13
United States. National Park Service. Interagency Resources Division
13
United States. National Park Service. Rocky Mountain Regional Office
13
Brown, Margie Coffin, 1963-
12
United States. National Park Service. Southeast Regional Office. Cultural Resources Division
12
United States. Congress. House. Committee on Interior and Insular Affairs
11
United States. Bureau of Land Management
10
United States. Congress. Senate
10
United States. Congress. House. Committee on Natural Resources. Subcommittee on National Parks, Forests, and Public Lands
9
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks,
9
Hammond, John W. 1971-
8
James, Mary-Jane,
8
Cooperative Park Studies Unit (Moscow, Idaho). Visitor Services Project
7
Graham, John P.
7
Le, Yen,
7
America's Industrial Heritage Project
6
Colorado Historical Society
6
Geological Survey (U.S.)
6
Greene, Jerome A.
6
Midwest Archeological Center (U.S.)
6
Scott, Douglas D.
6
Torres, Louis, 1921-
6
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