(St. Clair) S. of St. Clair, Central Township, Franklin County, MO. Sycamore Ln. S. 0.55 miles from jct with Gravois Av., W. on Crescent Lake Rd. 100 yds to the tower on the S. side of the road. (N38 19.945 W90 59.300) Photos by Jack & June Schmidt 9-7-24.