(Richard Wise, 100', 12 sided, IA-61-01) SW corner of Winterset, section 1, Lincoln Township, Madison County, IA. Summit St. E. 0.8 miles from jct with US169 just W. of Winterset to the barn on the S. side of the road at 1034 W. Summit. (6-6-01, N41° 19.775', W94° 01.656')