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Author/Creator
- Geological Survey (U.S.)17
- Fleck, William B.2
- North Carolina. Department of Environment, Health, and Natural Resources2
- Vroblesky, Don A.2
- Arkansas. Department of Pollution Control and Ecology1
- Bailey, Zelda Chapman1
- Barton, Cynthia, 1953-1
- Birkelo, Bradley A.1
- Calabrese, Edward J., 1946-1
- Cecil, L. DeWayne1
- Cordy, Gail E.1
- Cummings, T. Ray1
- Daniel, Charles C., III (Charles Camp), 1943-1
- Delaware River Basin Commission1
- Delin, G. N.1
- Dickerman, David C.1
- Garry, James D.1
- Gillespie, J. L. (John L.)1
- Grand Traverse County (Mich.)1
- Grannemann, N. G.1