Bulletin . en in practically con-tinuous operation since 1816 (the yield, however, being small the firsttwo years). Total amount and value of the ciuicksilver production ofCalifornia, as given in available records, is shown in the following tab-ulation, originally compiled by the writer^ in the 1915 statistical bulle-tin of the State ^Mining Bureau. In compiling this table the followingsources of information were used: For 1850-1883, table by J. B. Randol, Bradlev, W. Califoi-nia mineral production for 1915 : Cal. State ilin. Bur.,Bull. 71, p. 35, 1916. 10 CALIFORXIA STATE MINING BUREAU. i
Bulletin . en in practically con-tinuous operation since 1816 (the yield, however, being small the firsttwo years). Total amount and value of the ciuicksilver production ofCalifornia, as given in available records, is shown in the following tab-ulation, originally compiled by the writer^ in the 1915 statistical bulle-tin of the State ^Mining Bureau. In compiling this table the followingsources of information were used: For 1850-1883, table by J. B. Randol, Bradlev, W. Califoi-nia mineral production for 1915 : Cal. State ilin. Bur.,Bull. 71, p. 35, 1916. 10 CALIFORXIA STATE MINING BUREAU. in Report of State .Mineralogist. IV, p. 336; 1883-1893. U. S. GeologicalSnrvey reports; 1891 to date, statistical bulletins of the State ^MiningBureau; also State Mining Bureau. Bulletin 27. Quicksilver Re-sources of California, 1903. reprinted 1908. p. 10. Previous to June,1904. a tlask of quicksilver contained 76^ pounds (the equivalent of75 //6rr?s. or Spanish pounds), but since tbat date 75 pounds, Photo No. I. A shipment of 300 flasks of quicksilver from the New IdriaMine, San Benito County.
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