(Butterfly) SW of Ann Arbor, Pittsfield Township, Washtenaw County, MI. Ann Arbor Saline Rd. SW 1.2 miles from jct with I94 exit 175, S. on Maple Rd. 1.4 miles, E. on Stonebridge Blvd 0.15 miles, left on Stonebridge Dr. 0.35 miles, left on Sawgrass Dr. 230’ to the object on the E. side of the road at 4751. (N42 13.047 W83 46.360) Photo by Mark Comstock 6-2-24.