(46', 1910, PA-60-02) E. of New Berlin, Limestone Township, Union County, PA. PA304 E. 1.5 miles from jct with PA204 in New Berlin to the barn on the N. side of the road at 4979 (Arrowhead Ln). (N40 53.090 W76 57.496) Photo by Mike MacCarter 9-15-01.