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Author/Creator
- Geological Survey (U.S.)77
- National Water-Quality Assessment Program (U.S.)5
- United States. Bureau of Reclamation3
- United States. Environmental Protection Agency3
- Alaska. Department of Transportation and Public Facilities2
- Bauer, H. H. (Henry Hubert)2
- Carter, R. F. (Robert F.), 1916-2
- Conger, Randall W.2
- Curran, Janet H.2
- Gordon, J. D.2
- Kentucky. Department of Highways2
- Martin, Gary R.2
- Nevada. Division of Water Resources2
- Risley, John C.2
- Tasker, Gary D.2
- United States. Department of Energy2
- United States. National Park Service2
- United States. Naval Facilities Engineering Command2
- Wiley, J. B. (Jeffrey B.)2
- Albany Water, Gas, and Light Commission1