I know the guy who collects tanks in the area, and he shoots them on his property. I didn't know that there was a private range where one can go shoot tanks. Crazy!
http://www.ktvz.com/news/explosion-in-tank-east-of-bend-injures-2-possible-fatality/36082806
http://www.ktvz.com/news/explosion-in-tank-east-of-bend-injures-2-possible-fatality/36082806