(WI-20-01, private) in Ripon, Fond Du Lac County, WI. Union St. S. 0.3 miles from jct with WI23/49 (Fond Du Lac St.), E. on State St. 100 yds to the sign on the N. side of the road at 716 on the W. side of a bldg. Ask permission to visit. (N43 50.765 W88 50.966) Photos by Mark & Gordie Comstock & Larry Baker 6-27-09.