The mining districts of the western United States,

Hill, James M. 1884-

The mining districts of the western United States, by James M. Hill, with a geologic introduction, by Waldemar Lindgren. - Washington, Govt. Print. Off., 1912. - 309 p. illus., XVI fold. maps. 24 cm. - United States Geological survey. Bulletin 507 .

gs 12000485


Mines and mineral resources--United States.

QE75 / .B9 no. 507

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