Official guide to the California Midwinter Exposition in Golden Gate park, San Francisco, California : commencing January 27th, and closing June 30th, 1891 (1894)
California Midwinter International Exposition (1894 : San Francisco, Calif.) · San Francisco, Calif. : G. Spaulding & Co. · leaf 199
194 THE OFFICIAL GUIDE OF THE OREGON HYDRAULIC MINING EXHIBIT. … Location—Opposite the main entrance to the Scenic Railway. This exhibit give a practical demonstration of hydraulic mining as carried on in Oregon and California, in full operation at the time in washing gold from pay¬ dirt brought direct from the mines. This exhibition is well worth seeing, and…
California Midwinter International Exposition (1894 : San Francisco, Calif.)
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