(Nanni, 1978, 38-19-f) across a pond WNW of Millville, Madison Township, Columbia County, PA. PA254 (Rohrsburg Rd.) SW 1.5 miles from jct with PA42 in Millville, N. on Spruce Run Rd. 0.8 miles, W. on Spruce Run Rd. 0.1 miles, N. on Spruce Run Rd. 0.7 miles to the bridge on the E. side of the road at 329. (N41 07.509 W76 33.851) Photos by Dan McWilliams 12-29-06.