(MI-82-121) on Belle Isle in Detroit, Wayne County, MI. Jefferson Av. NE 2.2 miles from jct with I375 south end in Detroit, S. on Grand Blvd 0.6 miles, SE on Picnic Way 0.1 miles, E. (curves S.) on Riverbank Rd. 1.9 miles, W. on Oakway Dr. 100’, S. into parking lot. Bldg is off the S. side of the parking lot. (N42 20.810 W82 57.829) Photo by Mark Comstock & Kim Flanery 9-16-21.