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Author/Creator
- Geological Survey (U.S.)6
- Dane County Lakes and Watershed Commission2
- Krohelski, J. T.2
- Soler-López, Luis R.2
- Webb, Richard M. T.2
- Wisconsin. Department of Natural Resources2
- Fox Waterway Agency1
- Holmes, Robert R., 1965-1
- Illinois. Department of Natural Resources1
- McKnight, Diane M.1
- Pérez-Blair, Francisco1
- Puerto Rico Aqueduct and Sewer Authority1
- Puerto Rico Electric Power Authority1
- Schrader, David L.1