Tilling, R.I., Topinka, Lyn, and Swanson, D.A., 1990, Eruptions of Mount St. Helens: Past, present, and future: Reston, Virginia, U.S. Geological Survey, 56 p. (Revised edition). Tilling, R.I., 1991, Monitoring active volcanoes: Reston, Virginia, U.S. Geological Survey, 13 p. (Revised edition). Wood, C.A., and Kienle, Jurgen, 1990, Volcanoes of North America: United States and Canada: New York, Cambridge University Press, 354 p. [Illustration: The port city of St. Pierre on the island of Martinique; Mont Pelée is in the background. In 1902, this city was entirely destroyed by pyroclastic flows; about 30,000 people died.] [Illustration: ] As the Nation’s principal conservation agency, the Department of the Interior has responsibility for most of our nationally owned public lands and natural and cultural resources. This includes fostering sound use of our land and water resources; protecting our fish, wildlife, and biological diversity; preserving the environmental and cultural values of our national parks and historical places; and providing for the enjoyment of life through outdoor recreation The Department assesses our energy and mineral resources and works to ensure that their development is in the best interests of all our people by encouraging stewardship and citizen participation in their care. The Department also has a major responsibility for American Indian reservation communities and for people who live in island territories under U S administration U.S. Geological Survey Information Services P.O. Box 25286 Denver, CO 80225 For sale by the U.S. Government Printing Office Superintendent of Documents, Mail Stop: SSOP, Washington, DC 20402-9328 U.S. GOVERNMENT PRINTING OFFICE: 1996 421-281 Transcriber’s Notes --Retained publication information from the printed edition: this eBook is public-domain in the country of publication. --In the text versions only, text in italics is delimited by _underscores_. --In the ASCII version only, subscripted numbers are preceded by underscore and delimited by brackets. End of the Project Gutenberg EBook of Volcanoes, by Robert I. Tilling