RecommendedCitation: U.S. Congress, Office of Technology Assessment, The Containment of Underground Nuclear Explosions, OTA-ISC-414 (Washington, DC: U.S. Government Printing Office, October 1989), Library of Congress Catalog Card Number 89-600707 For sale by the Superintendent of Documents U.S. GovernmentPrinting Office, Washington, DC 20402-9325 (order form can be found in the back ofthis report)