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Author/Creator
- Geological Survey (U.S.)14
- Arkansas Geological Commission4
- Arkansas Soil and Water Conservation Commission4
- United States. Soil Conservation Service4
- Mississippi. Bureau of Land and Water Resources3
- Plafcan, Maria3
- Lee, Roger W.2
- Sumner, D. M.2
- Darden, Daphne1
- Doty, Gene C.1
- Edds, Joe, 1924-1
- Fugitt, D. T.1
- Havens, John S.1
- Idaho Water District 01.1
- Johnson, Melissa L.1
- Lacombe, Pierre (Pierre J.)1
- New Jersey. Department of Environmental Protection1
- New Jersey. Department of Environmental Protection and Energy1
- Remsing, L. M. (Larry M.)1
- Rosman, Robert1