(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. (6-18-06, N41° 35.47', W75° 37.00') Photo by Jack Schmidt.