(16 sides, ~60', MO-10-12) S. of Columbia, Columbia Township, Boone County, MO. Grindstone Av. W. 0.55 miles from jct with US63 S. of Columbia, S. on Bearfield Rd. 0.65 miles, E. on Woodhaven Dr. 0.2 miles to the bldg on the S. side of the road. (N38 54.173 W92 18.037) Photo by Jack & June Schmidt 10-2-15.