(Rider, 22', 1987, 38-16-c) across a brook SW of Rimersburg, Madison Township, Clarion County, PA. PA68 SW 3.9 miles from jct with PAPA861 in Rimersburg, N. (right - curves NW) on Rider Rd. 0.3 miles to the bridge on the SW side of the road. (4-10-09, N41 00.644 W79 33.391) Photos by Dan McWilliams.