Category:History of mining in California
Media in category "History of mining in California"
The following 6 files are in this category, out of 6 total.
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The quicksilver resources of California (1903) (14781316814).jpg 1,406 × 2,984; 329 KB
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Gold mining; a man using a hose to wash away soil. Wood engr Wellcome V0023534.jpg 2,200 × 3,173; 3.14 MB