(Columbia #1) E. of Columbia, Precinct 10 Township, Monroe County, IL. IL158 E. 1.3 miles from jct with IL3 just S. of Columbia, N. on Columbia Quarry Rd. 0.35 miles to the tower on the W. side of the road. (N38 26.657 W90 10.103) Photo by Jack & June Schmidt 9-7-09.