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Author/Creator
- Geological Survey (U.S.)11
- United States. Bureau of Indian Affairs3
- Bortleson, Gilbert Carl, 1940-2
- Fretwell, M. O.2
- Klamath Indian Tribe of Oregon2
- Arizona. Department of Water Resources1
- Arkansas Soil and Water Conservation Commission1
- Blanchard, Paul J.1
- Bower, David E.1
- Charleston (S.C.). Commissioners of Public Works1
- Christensen, Paul K.1
- Conrads, Paul A.1
- Fort Belknap Indian Community of the Fort Belknap Reservation of Montana. Tribal Council1
- Hillsborough County (Fla.)1
- Jacobson, R. D.1
- Kentucky Natural Resources and Environmental Protection Cabinet1
- Littin, G. R.1
- Ludwig, A. H.1
- Martin, Gary R.1
- Montana Bureau of Mines and Geology1