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Mines and Mineral Resources of Shasta County, Siskiyou County, Trinity C...
Bok av California State Mining Bureau
The Mother Lode Mining Region of California
Bok av California State Mining Bureau
Mines of Plumas County, California
Bok av California State Mining Bureau
Mining in Butte, Lassen, Modoc, Sutter and Tehama Counties of California
Bok av Us Department of Interior
Mines of Alpine, Inyo and Mono Counties, California
Bok av California Bureau Of Mines
Chromite Mining in the Klamath Mountains of California and Oregon
Bok av United States Departm Geological Survey Kerby Jackson
Mines of San Bernadino and Tulare Counties, California
Bok av California Bureau Of Mines
Mines and Mining in Northern Yuma County Arizona
Bok av Us Department Of Interior

Mines and Mining in Amador, Calaveras and Tuolumne Counties, California

Bok av California State Mining Bureau