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Cardinal Mill

Added by yongli on 05/21/2018 - 16:14, last changed on 12/10/2018 - 09:11
Located about two miles west of Nederland in western Boulder County , the Cardinal Mill processed gold, silver, and tungsten ore from its parent mine, the Boulder County Tunnel, as well as other local mines between 1902 and 1942. The Cardinal Mill was an essential part of the area’s tungsten boom...
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