(OH-12-02) SW of Springfield, Mad River Township, Clark County, OH. US68 S. 2.6 miles from jct with I70 exit 52 just SW of Springfield, W. on Collier Rd. 1 mile to the barn on the N. side of the road. (04-2004, N39° 51.75', W83° 52.08') Photo by Beryl Becket.