(Swamp Creek, 1854) across Swamp Creek WNW of Spring Mount, Upper Frederick Township, Montgomery County, PA. Big Road NW 2.7 miles from jct with PA29 just W. of Spring Mount, SW (left) on Fagleysville Rd. 1.5 miles to the bridge. (N40 17.177 W75 32.623) Photos by Jack Schmidt 6-26-06.