More about Richard Porter Sheldon:
| | Books by Richard Porter Sheldon: Books in the extended shelves: Sheldon, Richard Porter, 1923-: Geochemistry of uranium in phosphorites and black shales of the Phosphoria formation ([Washington D.C.] : United States Department of the Interior, Geological Survey, 1957., 1957), also by U.S. Atomic Energy Commission. Division of Raw Materials and Geological Survey (U.S.) (page images at HathiTrust) Sheldon, Richard Porter, 1923-: Progress report on investigations of western phosphate deposits (Geological Survey, 1953), also by Roger Warren Swanson and V. E. McKelvey (page images at HathiTrust) Sheldon, Richard Porter, 1923-: Stratigraphic sections of the phosphoria formation : 1953 and 1954 ([Washington D.C.] : United States Department of the Interior, Geological Survey, 1955., 1955), also by R.W. Swanson, T. M. Cheney, L.D. Carswell, U.S. Atomic Energy Commission. Division of Raw Materials, and Geological Survey (U.S.) (page images at HathiTrust) Sheldon, Richard Porter, 1923-: Stratigraphic sections of the Phosphoria Formation in Idaho, 1949 (U.S. Dept. of the Interior, Geological Survey, 1953), also by David F. Davidson, U.S. Atomic Energy Commission, and Geological Survey (U.S.) (page images at HathiTrust) Sheldon, Richard Porter, 1923-: Stratigraphic sections of the Phosphoria Formation in Wyoming, 1949-50 (U.S. Dept. of the Interior, Geological Survey, 1953), also by U.S. Atomic Energy Commission and Geological Survey (U.S.) (page images at HathiTrust) Sheldon, Richard Porter, 1923-: Stratigraphic sections of the Phosphoria Formation in Wyoming, 1952 (U.S. Dept. of the Interior, Geological Survey, 1954), also by U.S. Atomic Energy Commission and Geological Survey (U.S.) (page images at HathiTrust)
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