(Pumpkin) SW of Pinckney, Putnam Township, Livingston County, MI. Patterson Lake Rd. S. 1.25 miles from jct with Main St. in Pinckney, W. on Patterson Lake Rd. 2.15 miles to the object on the S. side of the road. (N42 26.050 W83 59.118) Photo by Mark Comstock & Dionis Forrest & Bill Graf 5-28-23.