![](http://www.alamy.com/thumbs/6/D1A2B47B-CC41-4D86-AC71-B338CC2BAAF9/C2G9N5.jpg)
Placer Mining, Columbia, Tuolumne County, The Reservoirs
Placer Mining, Columbia, Tuolumne County, The Reservoirs
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Photo credit: © The Protected Art Archive / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: blocks, flumes, min, miners, mining, placer, races, reservoir, sluice, wheel