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This project is for those who were born, lived or died in Joliet, Will County , Illinois. Official Website In 1673, Louis Jolliet, along with Father Jacques Marquette, paddled up the Des Plaines River and camped on a huge earthwork mound, a few miles south of present-day Joliet. Maps from Jolliet's exploration of the area showed a large hill or mound down river from Chicago, labeled Mont Joli...