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Author/Creator
- Geological Survey (U.S.)17
- Ackerman, D. J.2
- United States. Environmental Protection Agency2
- Arizona. Department of Water Resources1
- Arthur, J. Kerry1
- Aucott, Walter R.1
- Banta, Edward R.1
- Borman, R. G.1
- Boswell, E. H. (Ernest H.), 1919-1
- Bugliosi, Edward F.1
- Cheyenne (Wyo.)1
- Cooley, M. E. (Maurice E.)1
- Corral, Miguel A.1
- Cotton, John E.1
- Crist, Marvin A., 1930-1
- Davis, Marvin E.1
- Dumouchelle, D. H. (Denise H.)1
- Engineering Enterprises1
- Gaggiani, Neville G.1
- Gonthier, Joseph B.1