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1
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2by Tyler, Noel“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1988
Government Document Book -
3by Guevara, Edgar H.“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1988
Government Document Book -
4by Hovorka, Susan D. (Susan Davis)“...Geological circular (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 2000
Book