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1by Barnes, Virgil E. (Virgil Everett), 1903-1998“...Geologic quadrangle map (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1982
Map -
2by McGeehee, R. V.“...Geologic quadrangle map (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1977
Map -
3by McGeehee, R. V.“...Geologic quadrangle map (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1976
Map -
4by Barnes, Virgil E. (Virgil Everett), 1903-1998“...Geologic quadrangle map (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1978
Map -
5by Barnes, Virgil E. (Virgil Everett), 1903-1998“...Geologic quadrangle map (University of Texas at Austin. Bureau of Economic Geology) ;...”
Published 1982
Map -
6