(35', 1860, IL-75-02) in Griggsville, Pike County, IL. Corey St. S. 0.3 miles (4 blocks) from jct with IL107 in the center of Griggsville to the house on the E. side of the road at 412 at the NE corner of Corey & Washington Sts. (N39 42.226 W90 43.577) Photo 12-27-01.