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5by Finley, Robert J“...Geological circular (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1981
Book -
6by McGillis, Kathy A“...Geological circular (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1981
Book -
7by Dutton, Alan R“...Geological circular (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1987
Book -
8by Nativ, R“...Geological circular (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1988
Government Document Book