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Author/Creator
- Geological Survey (U.S.)31
- United States. Environmental Protection Agency7
- Ensminger, Paul A.5
- Louisiana. Department of Transportation and Development. Water Resources Section5
- Ruhl, J. F.5
- Louisiana. Department of Transportation and Development4
- Wolf, R. J.4
- Adolphson, D. G. (Donald G.), 1928-3
- Demcheck, Dennis K.2
- Lee, Roger W.2
- South Florida Water Management District (Fla.)2
- United States. Bureau of Land Management2
- Adolphson, D. G. (Donald G.), 1928-19901
- Anderson, H. W.1
- Arkansas Geological Commission1
- Beckman, Jeffery D.1
- Busby, John F.1
- Charles, Emmanuel G.1
- Cole, Elizabeth F.1
- Crompton, E. James1