(Knoebels Grove, 46', 1975, 38-19-B/38-49-A) across South Branch Roaring Creek in Knoebels Grove Amusement Park ENE of Elysburg, Columbia County, PA. PA487 NE about 3 miles from jct with PA54 in Elysburg to the amusement park on the E. side of the road. At county line. (N40 52.739 W76 30.234) Top 3 photos by Jack Schmidt 5-26-06.
Bottom photo by Harry Hill 05-2000.