Geology and ore deposits of the Pioche district, Nevada /
Westgate, Lewis G. 1868-
Geology and ore deposits of the Pioche district, Nevada / by Lewis G. Westgate and Adolph Knopf. - Washington : U.S. Gov't. Print. Off., 1932. - viii, 79 p. : ill., maps, plates ; 29 cm. - Geological Survey (U.S.). Geological Survey professional paper ; 171 . - Geological Survey professional paper ; 171. .
At head of title: United States Dept. of the Interior.
gs 32000163
Geology--Nevada--Lincoln County.
Ore deposits--Nevada--Lincoln County.
QE75 / .P9 no. 171
I 19.16:171
Geology and ore deposits of the Pioche district, Nevada / by Lewis G. Westgate and Adolph Knopf. - Washington : U.S. Gov't. Print. Off., 1932. - viii, 79 p. : ill., maps, plates ; 29 cm. - Geological Survey (U.S.). Geological Survey professional paper ; 171 . - Geological Survey professional paper ; 171. .
At head of title: United States Dept. of the Interior.
gs 32000163
Geology--Nevada--Lincoln County.
Ore deposits--Nevada--Lincoln County.
QE75 / .P9 no. 171
I 19.16:171