(Eagle) NW of Chelsea, Lyndon Township, Washtenaw County, MI. MI52 N. 2.25 miles from jct with Railroad St. in Chelsea, W. on Waterloo Rd. 3.3 miles to the carving on the N. side of the road at 17430. (N42 20.772 W84 06.328, wcr1032) Photos by Mark Comstock 5-28-23.