October 1982 california mining journal the geology and technology of columbium thunder mountain gold doubles idaho mining claims mines bureau assesses gold properties in california kenneth l harn on amazoncom free shipping on qualifying offers october 1982 california mining journal the geology and technology of columbium thunder mountain gold doubles idaho mining claims mines bureau . Mines and mineral resources gold mines and mining geology publisher san francisco calif california department of natural resources division of mines collection caminesgeo ucdavis americana digitizing sponsor university of california davis libraries contributor university of california davis libraries language english volume v41. Mines and mineral resources gold mines and mining geology publisher san francisco calif california department of natural resources division of mines collection caminesgeo ucdavis americana digitizing sponsor university of california davis libraries contributor university of california davis libraries language english volume v39 no2. Mines and mineral resources gold mines and mining geology publisher san francisco calif california department of natural resources division of mines collection caminesgeo ucdavis americana digitizing sponsor university of california davis libraries contributor university of california davis libraries language english volume v33. Get this from a library mining in california california division of mines volumes for 192 32 include chapter of report of the state mineralogist covering activities of the division of mines including geologic branch