(Guard tower, 14', c1950, MI-38-11) N. of Jackson, Blackman Township, Jackson County, MI. MI106 (Cooper St.) N. 2.0 miles from jct with I94 exit 139 on the N. side of Jackson to the Jackson Maximum Facility on the E. side of the road. (8-26-07, N42 17.91 W84 23.56) Photo by Mark Comstock.

Photo by Jack Schmidt 7-19-07.