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Continue to ChatUpper Chatauqua Mine Map - Summit County, CO https://www.yellowmaps.com/usgs/topo.cfm?map=co-182412-upper-chatauqua-mine
Upper Chatauqua Mine Map - Summit County, CO https://www.yellowmaps.com/usgs/topo.cfm?map=co-182412-upper-chatauqua-mine