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1Texto bibliotecaUNCO AR
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2by University of Texas at Austin. Bureau of Economic Geology. 49837, Brown, L.F. (Leonard Franklin), 1928- 55523
Published 1977cartographic bibliotecaUNCO AR -
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4by University of Texas at Austin. Bureau of Economic Geology. 49837, Brown, L.F. (Leonard Franklin), 1928- 55523, Hartmann, Barbara. cart. 55525
Published 1980cartographic bibliotecaUNCO AR -
5by University of Texas at Austin. Bureau of Economic Geology. 49837, Brown, L.F. (Leonard Franklin), 1928- 55523, Macon, J.W. cart. 55522
Published 1976cartographic bibliotecaUNCO AR -
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