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Author/Creator
- Geological Survey (U.S.)49
- New York (State). Department of Environmental Conservation8
- Reynolds, Richard J.7
- United States. Environmental Protection Agency7
- Ruhl, J. F.6
- Southwest Florida Water Management District (Fla.)5
- New Jersey. Department of Environmental Protection4
- Wolf, R. J.4
- Adolphson, D. G. (Donald G.), 1928-3
- Casey, George D.3
- Henderson, S. E.3
- Watt, Martha K.3
- Ardis, Ann F.2
- Arizona. Department of Water Resources2
- Gordon, Alison D.2
- Johnson, Melissa L.2
- Lacombe, Pierre (Pierre J.)2
- Schiffer, Donna M.2
- South Florida Water Management District (Fla.)2
- Stoker, Yvonne E.2