(Untitled, IA-52-05) N. of Tiffin, Clear Creek Township, Johnson County, IA. Roberts Ferry Rd. N. 0.7 miles from jct with US6 in Tiffin, right & continue N. on James Av. 0.7 miles to the quilt ahead at 2851. Robert & Ellen Sentman. (N41 43.662 W91 39.969) Photos by Jack & June Schmidt 6-17-12.