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1
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2by Gustavson, Thomas C.“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1985
Government Document Book -
3by Finley, Robert J.“...Geological circular (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1980
Book -
4by Gustavson, Thomas C.“...Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1991
Government Document Book -
5by Finley, Robert J.“...Geological circular (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1981
Book -
6