Author
Geological Survey (U.S.)
3
United States. Bureau of Land Management
2
Gap Analysis Program (U.S.)
1
National Operations Center (U.S.),
1
U.S. Fish and Wildlife Service
1
United States. Bureau of Land Management,
1
United States. Bureau of Land Management. Lake Havasu Field Office
1
United States. Bureau of Land Management. Montana State Office,
1
United States. Central Intelligence Agency
1
United States. Department of the Interior. Alaska Planning Group
1
United States. Forest Service. Intermountain Region
1
United States. National Biological Service
1
Utah State University. Department of Geography and Earth Resources
1