A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
County in northwestern part of California; general information; geology; most important mineral product is placer gold recovered by dredging; some hydraulic mining; mercury production in Altoona district; asbestos; barite; chromium; coal; copper, gold quartz mines, dredges and hydraulic operations; granite; limestone and marble; manganese; mercury; mineral paint; mineral water; platinum; production statistics; list of mines and prospects.
County in northwestern part of California; general information; geology; most important mineral product is placer gold recovered by dredging; some hydraulic mining; mercury production in Altoona district; asbestos; barite; chromium; coal; copper, gold quartz mines, dredges and hydraulic operations; granite; limestone and marble; manganese; mercury; mineral paint; mineral water; platinum; production statistics; list of mines and prospects.
Mineral resources of trinity county
Calif J Mines Geology
Averill, C.V. (author)
1941
82 pages
Map in pocket
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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