(20-sided, WA-36-03) in Walla Walla, Walla Walla County, WA. Wilbur Av. S. 0.9 miles from jct with US12, E. on Alder St. 0.25 miles, S. on School Av. 0.2 miles, E. on Delmont St. 100 yds, N. Period St. 1 block, curves E. & becomes Wallace St. 0.1 miles to the house on the N. side of the road. (11-14-09, N46 03.945 W118 17.688) Photo by Bob & Dorothy Dunham.