Author/Creator
- United States1,565
- Geological Survey (U.S.)857
- United States. Congress. House357
- Geological Survey (U.S.), issuing body356
- United States. Bureau of Land Management208
- United States. Congress. House. Committee on Public Lands. (1805-1951)204
- United States. Congress. Senate. Committee on Interior and Insular Affairs. (1948-1977)169
- United States. Congress. Senate. Committee on Indian Affairs. (1820-1946)165
- United States. Geological Survey164
- Montana158
- United States. Bureau of Land Management. Montana State Office147
- United States. Department of the Interior136
- United States. Bureau of the Census125
- United States. Congress. Senate. Committee on Public Lands. (1816-1921/1947-1948)121
- United States. Forest Service121
- United States. Congress. House. Committee on Indian Affairs. (1822-1946)120
- United States. Congress. House. Committee on Interior and Insular Affairs. (1951-1993)116
- Wheeler, Burton Kendall, 1882-197595
- United States. Congress. Senate93
- U.S. Fish and Wildlife Service83