United States. Congress. Senate. Committee on Energy and Natural Resources, author.
[Washington, D.C.] : [U.S. Government Publishing Office], [2017]
2017
Winfree, Robert, author.
Fort Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2014.
2014
Norris, Frank B. (Frank Blaine), 1950- author.
Anchorage, Alaska : Alaska Regional Office, National Park Service, U.S. Department of the Interior, 2006-2008.
2008
Thornberry, Trista L., author.
Denver, Colorado : Geologic Resources Division, Natural Resource Program Center ; Ft. Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2010.
2010
Sullivan, Timothy J. (Timothy Joseph), 1950- author.
Denver, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2011.
2011
Sullivan, Timothy J. (Timothy Joseph), 1950- author.
Denver, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2011.
2011