Copper from Calaveras County, California, USA

Copper

Penn Mine, Campo Seco, Campo Seco Mining District, Foothill Copper Belt, Calaveras County, California, USA

Copper, etc.

Copperopolis, Foothill Copper Belt, Calaveras County, California, USA

Copper

Campo Seco Mining District, Foothill Copper Belt, Calaveras County, California, USA

Copper

Penn Mine, Campo Seco, Campo Seco Mining District, Foothill Copper Belt, Calaveras County, California, USA

Copper, etc.

Copperopolis, Foothill Copper Belt, Calaveras County, California, USA

Copper

Campo Seco Mining District, Foothill Copper Belt, Calaveras County, California, USA

Copper

Penn Mine, Campo Seco, Campo Seco Mining District, Foothill Copper Belt, Calaveras County, California, USA

Copper

Penn Mine, Campo Seco, Campo Seco Mining District, Foothill Copper Belt, Calaveras County, California, USA

Copper, etc.

Copperopolis, Foothill Copper Belt, Calaveras County, California, USA

Copper

Campo Seco Mining District, Foothill Copper Belt, Calaveras County, California, USA

Copper

Penn Mine, Campo Seco, Campo Seco Mining District, Foothill Copper Belt, Calaveras County, California, USA


USA
California Calaveras County Camanche Mining District Camanche ⓘ Lancha Plana Mine	Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.)
Foothill Copper Belt Campo Seco Mining District Campo Seco ⓘ Caldwell Mine (Edna)	ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 DIV. OF MINES, P. 218
ⓘ Penn Mine (Happy Jack; West Constellation; Satellite; Big Satellite; Hinkcley; Blue Jay; Meteor; Hecla; Little Satellite; Copper Hill; Penn Chemical Works; Campo Seco)	(2005) Mineral Resources Data System (MRDS), US Geological Survey. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559. Clark, William B., Lydon, Philip A. (1963) Mines and Mineral Resources of Calaveras County, California. County Report 2. California Division of Mines and Geology Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 152 Van Nostrand Reinholt Press: 48.
Copperopolis ⓘ Copperopolis Mines (Copperopolis group)	Clark, William B., Lydon, Philip A. (1963) Mines and Mineral Resources of Calaveras County, California. County Report 2. California Division of Mines and Geology 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 Whitney, J.D. (1865), Geological survey of California, Geology, 1, Report of progress and synopsis of the field work from 1860to 1864 […(abstract): American Journal of Science, 2nd. series: 41: 124, 231-246, 351-368]: 255
ⓘ North Keystone Mine (Keystone Mine)	Dana 6: 22, 82.
ⓘ Union Mine	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 252. Dana 6: 82
Telegraph City ⓘ Napoleon Mine (Nepolean Mine)	Dana, Edward Salisbury (1892) A System of Mineralogy (6th ed.)

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