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| The ore would have been wased down the copper plates that had been coated with mercury. The mercury would then absorb the gold for later processing. |
| Date: 3/14/09 1:16 PM | Keywords: mariposa history museum MJC Geology southern motherlode stamp mill |
| Total images: 65 | Last update: 3/20/09 5:55 PM | Copyright Ryan J Hollister | Help |