News Spokane Historical horsepower Wed., Sept. 14, 2011 Fair feature: Wally Heaton, 85, of Spokane, pokes around the tractor display Tuesday at the Spokane County Interstate Fair. The fair runs through Sunday at the Spokane County Fair and Expo Center. (Dan Pelle) Buy this photo Twitter Email Reddit SMS See more photos of this year’s Spokane County Interstate Fair here in a picture story.