Industry
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The stamp mill was an early machine used to crush gold bearing ore. Many miners worked at the large-scale mines, and Big Bear was one of many mining towns. The Gold Mountain and Rose mines were the largest, with 40 stamps each on their mills. This stamp mill came from the Golden Key mine, 5 miles north of Mariposa, and it is the only working stamp mill in Southern California.
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Big Bear City, California · United States
