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1by Baumgardner, Robert W.“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1987
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2by Dutton, S. P.“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1987
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3by Dutton, S. P.“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1995
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4Published 1995“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
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5Published 1995“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
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6by Grigsby, Jeffry D.“...Geological circular (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1993
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7Published 1994“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
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8
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9
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10