(Calgon Carbon) S. of Catlettsburg, Boyd County, KY. US23 S. 3.6 miles from jct with I64 exit 191, E. on connector Rd. 0.1 miles, N. on Old US23 100 yds to the tower on the E. side of the road. (N38 20.247 W82 35.402) Photos by Jack & June Schmidt 7-13-16.