(MI-81-114) at Lakewood Elementary School in Ann Arbor, Washtenaw County, MI. Gralake Av. S. 0.4 miles from jct with Jackson Av. to the school. Hex bldg is SW of the main bldg. This is the SW classroom. (N42 16.606 W83 47.468) Photo by Mark Comstock 5-14-23.