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1by California. Division of Mines and Geology. 49563, Jahns, Richard Henry, 1915- ed. 56842
Published 1954Texto bibliotecaUNCO AR -
2by California. Division of Mines and Geology. 49563, American Association of Petroleum Geologists. 36700, Society of Economic Paleontologists and Mineralogists. 49565
Published 1962Texto bibliotecaUNCO AR