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Continue to ChatHays Mine (historical) Map - St. Clair County, MO https://www.yellowmaps.com/usgs/topo.cfm?map=mo-756169-hays-mine-%28historical%29
Hays Mine (historical) Map - St. Clair County, MO https://www.yellowmaps.com/usgs/topo.cfm?map=mo-756169-hays-mine-%28historical%29