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Author/Creator
- University of Nebraska--Lincoln. Conservation and Survey Division12
- Geological Survey (U.S.)11
- Diffendal, R. F. (Robert Francis)3
- Swinehart, James B.3
- Steele, Eugene K.2
- Blossom, Jeffrey C.1
- Brandt, Ted R., 1954-1
- Cady, Ralph E.1
- Fugro Airborne Surveys Corporation1
- Fussell, Jay1
- Middle Republican Natural Resources District (Neb.)1
- Nebraska Geological Survey1
- Nebraska Natural Resources Commission1
- Nebraska. Department of Environmental Quality1
- Nebraska. Department of Natural Resources1
- North Platte Natural Resources District (Neb.)1
- Peckenpaugh, J. M.1
- Richmond, Gerald Martin, 1914-1
- Sandy, John H.1
- Shroba, R. R.1