A review of mining in California during 1919 ... 1921, with notes on the outlook for 1920, 1922.
|Corporate Author:||California State Mining Bureau.|
Sacramento : California State Printing Office, 1920-22.
Mines and mineral resources
Superseded by "Mining in California" issued monthly as advance chapters of the Report of the state mineralogist, January 1922.
None issued for 1920. Report of the state mineralogist, v.17, 1920, covers similar information for this year.
Dated January 1920, January 1922, respectively.
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