Eruptions of Mount St. Helens: Past, Present and Future By Tilling, Robert L., Topinka, Lyn, and Swanson, Donald A. Books / Paperback Books ISBN: 9990635617 / Publisher: United States Government Printing, June 1993 Price Starting at $21.95 Free Shipping Send to a friend Add to Wishlist Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Used - Good Good condition. (mount st. helens, geology, volcano) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $21.95 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for Eruptions of Mount St. Helens: Past, Present and Future