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Author/Creator
- Geological Survey (U.S.)36
- Omang, R. J.7
- Arkansas Geological Commission5
- Arkansas Soil and Water Conservation Commission5
- Mississippi. Bureau of Land and Water Resources4
- Northern Cheyenne Tribe of the Northern Cheyenne Indian Reservation, Montana4
- United States. Soil Conservation Service4
- Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana3
- 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
- Demcheck, Dennis K.2
- Lee, Roger W.2
- Louisiana. Department of Transportation and Development2
- Sumner, D. M.2
- Callahan, J. A.1
- Darden, Daphne1