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Author/Creator
- Geological Survey (U.S.)3
- Martin, Angel1
- McPherson, Wendy S.1
- Miller, B. H.1
- Miller, Todd S.1
- New York (State). Department of Environmental Conservation1
- Smoot, Charles W.1
- Thomsen, B. W., 1926-1
- United States. Army. Corps of Engineers1
- United States. Bureau of Indian Affairs1
- United States. Soil Conservation Service1
- Warren, Christopher C.1