Listing for a COMPLETE vintage 1980 Mount Saint Helens Volcano two sided 300 piece 12" x 18" Jigsaw Puzzle. Side 1 is Spirit Lake and Mt. St. Helens in beautiful full color before the eruption. Side 2 is a dramatic photograph of the mountain during the historic volcanic eruption on May 18, 1980. (c) 1980 Mount St. Helens Ash Co. PO Box 10805 Portland OR. 97210. Paper label on outside of canister has a TO & FROM to write in address for mailing which is blank.