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| (Cal Sag Channel, 280') NE of Palos Park, Palos Township, Cook County, IL. Can be viewed fron the walking path on the E. side of the IL7 auto bridge. (N41 40.800 W87 48.554) Photo by Mark Comstock 7-27-25. |
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| (Cal Sag Channel, 280') NE of Palos Park, Palos Township, Cook County, IL. Can be viewed fron the walking path on the E. side of the IL7 auto bridge. (N41 40.800 W87 48.554) Photo by Mark Comstock 7-27-25. |