U.S. Geological Survey Photographic Library

ID. Mount St. Helens - 27

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Aerial view of timber blown down by the horizontal blast of Mount St. Helens on May 18, 1980. Photo by R.E. Wallace. Skamania County, Washington. April 17, 1981. Published on p. 181 in U.S. Geological Survey. Earthquake information bulletin, v. 13, no.5. September-October 1981.

Aerial view of timber blown down by the horizontal blast of Mount St. Helens on May 18, 1980. Photo by R.E. Wallace. Skamania County, Washington. April 17, 1981. Published on p. 181 in U.S. Geological Survey. Earthquake information bulletin, v. 13, no.5. September-October 1981.

Image file: /htmllib/btch137/btch137j/btch137z/msh00027.jpg