(Untitled, MI-73-07) E. of Birch Run, Birch Run Township, Saginaw County, MI. Birch Run Rd. E. 1.5 miles from jct with I75 exit 136 on the E. side of Birch Run to the quilt on the S. side of the road at 10470. Unknown. (N43 14.975 W83 44.705) Photos by Mark Comstock 8-10-25.