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Author/Creator
- Geological Survey (U.S.)7
- United States. Bureau of Land Management4
- Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana. Water Resources Office1
- Craigg, Steven D.1
- Emerson, Douglas G.1
- Ferreira, Rodger F.1
- Griffin, Eleanor R.1
- Johnson, Dave R.1
- Lambing, John H.1
- Litke, David W.1
- Montana. Department of Fish, Wildlife, and Parks1
- Smith, J. Dungan (James Dungan), 1939-1
- Thamke, Joanna N.1
- United States. Bureau of Indian Affairs1
- United States. Environmental Protection Agency1