1.
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Ann Arbor, MI : University Microfilms, Inc., [c1965]
PS3503.E37 ZZ7681 1964b |
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2.
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Washington : Smithsonian Institution, 1965.
Q11 .S7 v.148 no.2 |
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3.
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[New York] : Geological Society of America, 1938.
QE726 .R42 |
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4.
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Austin : Bureau of Economic Geology, University of Texas, 1963.
QE167 .T42 no.50 |
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5.
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[New York] : Geological Society of America, 1943.
QE782 .M6 |
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6.
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Washington : U.S. Geological Survey, 1966.
QE75 .C5 no.526 |
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7.
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Washington : Smithsonian Institution, 1956- .
Q11 .S7 v.131 no.8 |
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8.
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New York : The Geological Society of America, 1939.
QE182.A3 L68 |
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9.
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New York : The Society, 1937.
QE1 .C7 vol.54 no.1 |
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10.
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Washington : Carnegie Institution of Washington, 1936.
QE881 .H2 |
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