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Author/Creator
- Geological Survey (U.S.)37
- New York (State). Department of Environmental Conservation5
- Reynolds, Richard J.4
- United States. Environmental Protection Agency3
- Arizona. Department of Water Resources2
- Hollyday, E. F.2
- New Jersey. Department of Environmental Protection2
- Plume, Russell W.2
- Ruhl, J. F.2
- United States. Army. Corps of Engineers2
- United States. Bureau of Reclamation2
- United States. Naval Facilities Engineering Command. Southern Division2
- Watt, Martha K.2
- Wolf, R. J.2
- Zarriello, Phillip J.2
- Adolphson, D. G. (Donald G.), 1928-1
- American Samoa Environmental Protection Agency1
- Anderson, H. W.1
- Arizona Municipal Water Users' Association1
- Bobay, Keith E.1