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Author/Creator
- Geological Survey (U.S.)24
- United States. Environmental Protection Agency[remove]24
- Dumouchelle, D. H. (Denise H.)5
- Kay, Robert T.4
- Sloto, Ronald A.3
- Conger, Randall W.2
- Duwelius, Richard F.2
- Macchiaroli, Paola2
- Melvin, Robert L.2
- Arihood, Leslie D.1
- Church, Peter E. (Peter Eaton)1
- Cohen, David A.1
- Doriski, Thomas P.1
- Elkhart (Ind.)1
- Engineering Enterprises1
- Gillespie, J. L. (John L.)1
- Grazul, Kevin E.1
- Ingram, Arlynn W.1
- Littin, G. R.1
- Lyford, Forest P.1