(MI-81-95) NW of Chelsea, Lyndon Township, Washtenaw County, MI. MI52 N. 2.3 miles from jct with Middle St. in Chelsea, W. on Waterloo Rd. 1.3 miles to the turret on the S. side of the road at 19533. (N42 20.738 W84 03.502) Photo by Mark Comstock 11-6-22.