“California Gold Diggers, Mining Operations on the Western Shore of the Sacramento River,” lithograph published by Kellogg & Comstock, circa 1850
Merchant ships, San Francisco harbor, 1850-51
Advertisement for ship to California, 1849
Hydraulic mining operation, North Bloomfield Mining and Gravel Company, Nevada County, California, 1870s.
Chinese miners working a sluice mining operation, Auburn Ravine, California, 1852
Chinese gold miner, California, 1850s