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Author/Creator
- Geological Survey (U.S.)14
- Washington (State). Department of Ecology4
- Ebbert, J. C.3
- FusteĢ, Luis A.2
- National Water-Quality Assessment Program (U.S.)2
- Block, E. K.1
- Bortleson, Gilbert Carl, 1940-1
- Cox, Stephen E.1
- Dion, N. P.1
- Drost, B. W.1
- Embrey, S. S.1
- Evans, Duane1
- Fretwell, M. O.1
- Fuhrer, Gregory J.1
- Klein, John M.1
- McConnell, J. B.1
- McKnight, Diane M.1
- Meyer, D. F.1
- Packard, F. A.1
- Payne, K. L.1