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Continue to ChatYoch Lake Dam Map - St. Clair County, IL https://www.yellowmaps.com/usgs/topo.cfm?map=il-1691399-yoch-lake-dam
Yoch Lake Dam Map - St. Clair County, IL https://www.yellowmaps.com/usgs/topo.cfm?map=il-1691399-yoch-lake-dam