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Author/Creator
- Geological Survey (U.S.)13
- American Samoa Environmental Protection Agency1
- Anderson, H. W.1
- Andreasen, David C.1
- Arizona. Department of Water Resources1
- Cole, Elizabeth F.1
- Curtin, Stephen E.1
- Dague, Barbara J.1
- DeJarnette, Sydney S.1
- Hahn, Mary Ellen1
- Henderson, S. E.1
- Izuka, Scot K.1
- Laney, R. L.1
- Mack, Frederick K.1
- Maryland Geological Survey1
- Maryland Power Plant Research Program1
- Mississippi. Department of Agriculture and Commerce1
- Mississippi. Office of Pollution Control1
- Moreland, Richard S.1
- Morris, Edward E.1