(Mayflower, TN-29-14) NE of Thorn Hill, Grainger County, TN. TN121 (Thorn Hill Rd.) NE 1.25 miles from jct with Old 25E in Thorn Hill to the quilt on the NW side of the road at 2050. Coffee Farm. (N36 22.145 W83 23.904) Photos by Jack & June Schmidt 6-9-18.