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Author/Creator
- Geological Survey (U.S.)22
- United States. Environmental Protection Agency3
- United States. Department of Energy2
- Albuquerque (N.M.). Department of Public Works1
- Arizona. Department of Water Resources1
- Arkansas Geological Commission1
- Arkansas Soil and Water Conservation Commission1
- Asquith, William H.1
- Bartholomay, Roy C.1
- Carrasquillo, Ramon A.1
- Conde-Costas, Carlos1
- Delavan (Wis.)1
- Dettinger, M. D.1
- Dudley, Robert W.1
- Edelmann, Patrick1
- Elder, John F.1
- Emmons, Patrick J. (Patrick Jay)1
- Ferrari, Matthew J.1
- Field, Stephen J. (Stephen John), 1935-1
- Frankforter, Jill D.1