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Continue to ChatOgden Ditch (historical) Map - Cook County, IL https://www.yellowmaps.com/usgs/topo.cfm?map=il-1832478-ogden-ditch-%28historical%29
Ogden Ditch (historical) Map - Cook County, IL https://www.yellowmaps.com/usgs/topo.cfm?map=il-1832478-ogden-ditch-%28historical%29