(Dutchmans Puzzle, IA-38-18) SE of Grundy Center, Washington Township, Grundy County, IA. IA175 (G Av.) E. 3.1 miles from jct with IA14 (4th St.) in Grundy Center, S. on Q Av. 1.5 miles to the quilt on the W. side of the road at 25601. Deegene & Linda McMartin. (N42 19.855 W92 42.635) Photos by Jack & June Schmidt 7-8-12.