(Jack in the Pulpit, IA-38-47) NW of Holland, Colfax Township, Grundy County, IA. 205th St. W. 0.4 miles from jct with L Av. NW of Holland to the quilt on the N. side of the road at 20601. David & Tracy Robinson. (N42 24.365 W92 48.919) Photos by Jack & June Schmidt 7-8-12.