(MI-63-92) in Keego Harbor, Oakland County, MI. Commeerce Rd W. 0.5 miles from jct with Orchard Lake Rd., N. on Erie Dr. 0.1 miles, W. on Summers Ridge Dr. 50’ to the turret on the N. side of the road 3850. East turret. (N42 35.863 W83 21.586) Photo by Mark Comstock 5-9-22.