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Irelan, William, Jr. (1888b), Eighth annual report of the State Mineralogist [includes mineral resources of the State, with contributions by W.A. Goodyear, H.A. Whiting, and Stephen Bowers]: California Mining Bureau. Report 8, 946 pp.: 151
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[…(abstract): American Journal of Science, 2nd. series: 41: 124, 231-246, 351-368]: 255 |
Copperopolis, Foothill Copper Belt, Calaveras County, California, USA