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Author/Creator
- Geological Survey (U.S.)25
- Arkansas Geological Commission2
- Dague, Barbara J.2
- Johnson, Melissa L.2
- Lacombe, Pierre (Pierre J.)2
- New Jersey. Department of Environmental Protection2
- Southwest Florida Water Management District (Fla.)2
- Western Kansas Groundwater Management District No. 12
- Adams, D. Briane1
- American Samoa Environmental Protection Agency1
- Anderson, H. W.1
- Andreasen, David C.1
- Arizona. Department of Water Resources1
- Arkansas Soil and Water Conservation Commission1
- Black Hills Conservancy Sub-District (S.D. and Wyo.)1
- Charles, Emmanuel G.1
- Cole, Elizabeth F.1
- Cortland County (N.Y.). Planning Department1
- Curtin, Stephen E.1
- DeJarnette, Sydney S.1