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81by Margolis, Jacob“...U.S. Geological Survey bulletin ;...”
Published 1986
Government Document Book -
82by Haley, Boyd Raymond, 1922-“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
83by Billingsley, George H.“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
84Published 1986“...U.S. Geological Survey bulletin ;...”
Government Document Book -
85by Wolfe, Jack A., 1936-“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
86by Dumoulin, Julie A.“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
87
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88by Sadowski, Frank G.“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
89by Updike, Randall G.“...U.S. Geological Survey bulletin ;...”
Published 1986
Government Document Book -
90by Roberts, Albert Eugene, 1921-“...U.S. Geological Survey bulletin ;...”
Published 1986
Government Document Book -
91by Robie, Richard A., 1928-“...U.S. Geological Survey bulletin ;...”
Published 1979
Government Document Book -
92
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93Published 1987“...U.S. Geological Survey bulletin ;...”
Government Document Book -
94Published 1987“...U.S. Geological Survey bulletin ;...”
Government Document Book -
95by Stone, Paul, 1947-“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
96by Stone, Paul, 1947-“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
97
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98by Radbruch-Hall, Dorothy H., 1920-“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
99by Evans, James George, 1938-“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book -
100by Pomeroy, John S., 1929-“...U.S. Geological Survey bulletin ;...”
Published 1987
Government Document Book