(Marmion Field, 35', 2000, 38-02-d) across McLaughlin Run SE of Bridgeville, Upper St. Clair Township, Allegheny County, PA. PA50 E. (turns N.) 0.6 miles from jct with I79 exit 54 in Bridgeville, E. (right) on Bower Hill Rd. 0.35 miles, S. (right) on Ridge Rd. 0.1 miles, veer right onto McLaughlin Run Rd. (curves around & winds up going S.) 2.5 miles, W. on Morrow Rd. 150’, S. into parking lot. Bridge is to the W. at the S. end of the parking lot. (7-30-06, N40° 20.36', W80° 04.72') Photos by Jack Schmidt.