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Author/Creator
- Geological Survey (U.S.)9
- United States. Environmental Protection Agency3
- Henderson, S. E.2
- New York (State). Department of Environmental Conservation2
- Ruhl, J. F.2
- Southwest Florida Water Management District (Fla.)2
- Zarriello, Phillip J.2
- Adolphson, D. G. (Donald G.), 1928-19901
- Anderson, H. W.1
- Arizona. Department of Water Resources1
- Hahn, Mary Ellen1
- Laney, R. L.1
- Reynolds, Richard J.1
- Schiffer, Donna M.1
- South Florida Water Management District (Fla.)1
- Woodward, D. G.1