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Author/Creator
- Geological Survey (U.S.)13
- Arkansas Geological Commission4
- Arkansas Soil and Water Conservation Commission4
- United States. Soil Conservation Service4
- Lacombe, Pierre (Pierre J.)3
- Lumber River Council of Governments3
- New Jersey. Department of Environmental Protection3
- Plafcan, Maria3
- Rosman, Robert3
- Strickland, A. G. (Alfred Gerald), 1953-3
- Mississippi. Bureau of Land and Water Resources2
- Sumner, D. M.2
- Edds, Joe, 1924-1
- Fugitt, D. T.1
- Johnson, Melissa L.1
- New Jersey. Department of Environmental Protection and Energy1
- Remsing, L. M. (Larry M.)1
- Watt, Martha K.1
- Westerfield, Paul W.1