(Carpenters Wheel, IA-40-11) S. of Webster City, Freedom Township, Hamilton County, IA. Beach St. (becomes Tunnel Mill Rd.) S. 5.0 miles from jct with 2nd St. in Webster City to the quilt on the E. side of the road at 2704. Richard & Karen Mason. (N42 23.816 W93 50.073) Photos by Jack & June Schmidt 7-11-12.