(16 sided [hexadecagon], 36', PA-35-02) NW of Jermyn, Greenfield Township, Lackawanna County, PA. PA107 (Heart Lake Rd.) NW 5.6 miles from jct with US6 in Jermyn to the house on the N. side of the road at 1510. (N41 35.470 W75 36.984) Photo by Jack Schmidt 6-18-06.