Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
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. (Autor:in)
1941
82 pages
Map in pocket
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
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