(Frog, KY-24-06) NW of Hopkinsville, Christian County, KY. KY91 (Princeton Rd.) NW 5.1 miles from jct with US68 in Hopkinsville to the quilt on the SW side of the road at 7065. Gamble Farm. (N36 55.267 W87 35.161) Photos by Jack & June Schmidt 7-14-18.