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Continue to ChatNew Saint Clair Mine Map - St. Clair County, IL https://www.yellowmaps.com/usgs/topo.cfm?map=il-1736327-new-saint-clair-mine
New Saint Clair Mine Map - St. Clair County, IL https://www.yellowmaps.com/usgs/topo.cfm?map=il-1736327-new-saint-clair-mine