(Log Cabin Diamond, IL-07-91) N. of Brussels, Richwood Township, Calhoun County, IL. Main St. NW (curves W.) 0.6 miles from jct with Community Av. in Brussels, N. on Illinois River Rd. 4.55 miles to the quilt on the W. side of the road at 1800. Donna Droege. (N39 01.083 W90 36.390) Photos by Jack & June Schmidt 9-24-14.