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1946
Bradley, Walter W.. "State Mineralogist's Report." California Journal of Mines and Geology 42, no. 1 (1946): 7-73.
Bradley, Walter W.. "State Mineralogist's Report." California Journal of Mines and Geology 42, no. 2 (1946): 78-164.
Bradley, Walter W.. "State Mineralogist's Report." California Journal of Mines and Geology 42, no. 3 (1946): 173-310.
1940
Bradley, Walter W.. "State Mineralogist's Report." California Journal of Mines and Geology 36, no. 4 (1940): 321-494.