(Durham, 31', 1853, IL-50-05) in Mendota, La Salle County, IL. US34 E. 0.05 miles (1 block) from jct with US52 in Mendota to the house on the N. side of the road at 1208 Washington. At the NE corner of Washington St. (US34) & Iowa St. (5-12-01, N41° 32.889', W89° 07.584')