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Mines and mineral resources of the counties of Fresno, Kern, Kings, Madera, Mariposa, Merced, San Joaquin, Stanislaus,

By Bradley, Walter W..
[San Francisco?] State Printing Office, 1915 .
vii, 220 p. , At head of title: California State Mining Bureau. 23 cm..

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Mines and mineral resources of the counties of Colusa, Glenn, Lake, Marin, Napa, Solano, Sonoma, Yolo,

By Bradley, Walter W..
[Sacramento?] California State Printing Office, 1915 .
viii, 208 p. [3] fold. l. , At head of title: California State Mining Bureau. | "Chapters of State Mineralogist's report, biennial period, 1913-1914" 23 cm..

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Manganese and chromium in California,

By Bradley, Walter W..
Sacramento, California State Printing Office, 1918 .
248 p. 23 cm..

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Quicksilver resources of California, with a section on metallurgy and ore-dressing,

By Bradley, Walter W..
Sacramento, California State Printing Office, 1918 .
389 p. , Many of the plates are included in the paging. 24 cm..

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