(Butterfly, KY-42-17) E. of Mayfield, Graves County, KY. KY464 E. 4.3 miles from jct with KY80/Byp.121 on the E. side of Mayfield to the quilt on the S. side of the road at 5025. Angela Treas. (N36 43.399 W88 33.279) Photos by Jack & June Schmidt 6-9-16.