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Author/Creator
- Geological Survey (U.S.)4
- Arkansas Soil and Water Conservation Commission1
- Buxton, Herbert T.1
- Carswell, William J.1
- Florida. Department of Environmental Regulation1
- Johnson, D. M.1
- Ludwig, A. H.1
- Marella, Richard L.1
- New York (N.Y.). Department of Environmental Protection1
- New York (State). Department of Environmental Conservation1
- Sanders, C. L. (Curtis L.)1
- Shernoff, Peter K.1
- Smolensky, Douglas A.1