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Author/Creator
- Geological Survey (U.S.)5
- Konrad, Christopher P. (Christopher Peter)2
- Booth, Derek B.1
- Bossong, C. R.1
- Drost, B. W.1
- Jefferson County (Colo.). Planning and Zoning Department1
- Krause, Richard E.1
- Matthews, Sharon E.1
- Reese, Ronald S.1
- South Florida Water Management District (Fla.)1
- Wagner, Richard J.1
- Washington (State). Department of Ecology1