- U.S. Dept. of Agriculture, Forest Service (Washington) (1)
- U.S. Dept. of Agriculture, Forest Service (Washington, D.C) (1)
- U.S. General Land Office (Washington, D.C) (1)
- U.S. Geological Survey (Washington D.C) (1)
- U.S. Geological Survey (Washington) (4)
- U.S. Geological Survey (Washington, D.C) (14)
- U.S. Geological Survey (Washington, D.C.?) (1)
- U.S. Geological Survey (Washington, D.C) (7)
- U.S. Geological Survey (Washington, D.C.) (1)
- U.S. Geological Survey; Kentucky Geological Survey (Washington, D.C.; Frankfort, KY) (1)
- USDA-SCS (Fort Worth, Tex) (1)
- USDA-SCS (Fort Worth, Tex.) (2)
- United States Geological Survey (Washington, D.C) (1)
- United States Geological Survey : (Washington, D.C) (1)
- United States. Office of Indian Affairs. (Washington, D.C.) (1)
