(Chair) N. of Ann Arbor, Northfield Township, Washtenaw County, MI. Whitmore Lake Rd. N. 2.8 miles from jct with Bus.US23 on the N. side of Ann Arbor, W. on Joy Rd. 1.4 miles to the chair on the S. side of the road. (N42 20.549 W83 46.717) Photo by Mark & Gordie Comstock 1-14-21.