(Martha Washington Square, IA-12-43) ESE of Allison, Jackson Township, Butler County, IA. IA3 E. 3.0 miles from jct with IA14 on the S. side of Allison, S. on Sinclair Av. 0.35 miles to the quilt on the E. side of the road at 21338. Eric & Vikki Bixby. (N42 44.367 W92 43.855) Photos by Jack & June Schmidt 7-9-12.