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Index card: View of the Plains of Abraham, on the east flanks of Mount St. Helens. Skamania County, Washington. June 1978. (Photo by Lyn Topinka)
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Index card: Gas and ash emission, Mount St. Helens, viewed from the north, with geologist in foreground with monitoring equipment. Skamania County, Washington. April 6, 1983. (Photo by Lyn Topinka)
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Index card: Oblique aerial view of pyroclastic flows of July 22, 1980 eruption, one lobe on top of the other. Skamania County, Washington. September 30, 1980. (Photo by Lyn Topinka)
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Index card: Lahar, from May 18, 1980, which flowed down the Muddy River drainage, southeast flank of Mount St. Helens. Skamania County, Washington. September 24, 1980. (Photo by Lyn Topinka)
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Index card: View along Smith Creek showing tree blowdown, singed trees, and green trees which missed the blast. Skamania County, Washington. April 26, 1982. (Photo by Lyn Topinka)
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Index card: Devastation along the North Fork Toutle River resulting from the May 18, 1980 lahars. Note mudlines on trees and on house near balcony. Cowlitz County, Washington. March 26, 1981. (Photo by Lyn Topinka)
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Index card: Snow-covered Mt. Hood, one of three other Cascade volcanoes visible from Mount St. Helens. Hood River County, Oregon. July 11, 1983. (Photo Lyn Topinka)
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Index card: Tree blowdown near Elk Rock, 11 miles from Mount St. Helens. Cowlitz County, Washington. August 22, 1980. (Photo by Lyn Topinka)
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Index card: Mount St. Helens crater deformation: USGS scientists measuring small thrust fault. Skamania County, Washington. May 12, 1981. (Photo by Lyn Topinka)
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Index card: Oblique aerial view of Mount St. Helens crater, taken from rim height. Massive dome in center. Skamania County, Washington. April 15, 1983. (Photo by Lyn Topinka)
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Index card: Snow-covered Mt. Adams, one of three other Cascade volcanoes visible from Mount St. Helens. Yakima County, Washington. n.d. (Photo by Lyn Topinka)
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Index card: USGS scientist measuring mudflow line, Muddy River near bridge. Compare height of mudlines with height of scientist at right. Skamania County, Washington. October 12, 1980. (Photo by Lyn Topinka) Black and white photo published as lower photo, p. 109, in U.S. Geological Survey. Earthquake information bulletin, v. 16, no. 2. March-April 1984.
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Index card: Ruins of one of a number of Muddy River bridges destroyed by the May 18, 1980 eruption of Mount St. Helens. Skamania County, Washington. September 23, 1980. (Photo by Lyn topinka)
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Index card: Remains of the Muddy River Bridge along the Muddy River. Person at left for scale. Skamania County, Washington. April 3, 1981. (Photo by Lyn Topinka)
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Index card: A view of Mount St. Helens from Harry's Ridge, 5 miles to the north of Mount St. Helens, about 2 1/2 years later. Dome growth has altered the appearance of the crater. Skamania County, Washington. April 29, 1983. (Photo by Lyn Topinka)
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Index card: Large boulder carried in lahar flow, Muddy River. Geologists for scale. Skamania County, Washington. September 16, 1980. (Photo by Lyn Topinka)
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Index card: Mount St. Helens outer deformation network; view in winter, from Clearcut, south side of Mount St. Helens. Geologist and equipment in foreground. Skamania County, Washington. April 5, 1983. (Photo by Lyn Topinka)
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Index card: Gas and ash emission, snow-covered Mount St. Helens, viewed from the north. Skamania County, Washington. May 19, 1982. (Photo by Lyn Topinka)
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Index card: Two USGS scientists programming gage telemetry. Washington. 1982. (Photo by Lyn Topinka)


map background search result map search result map Mount St. Helens. Skamania County, Washington. 1983. Mount St. Helens. Skamania County, Washington. 1982. Mount St. Helens. Skamania County, Washington. 1983. Mount Adams. Yakima County, Washington. n.d. Mount Hood. Hood River County, Oregon. 1983. Mount Rainier National Park. Pierce County, Washington. 1977. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1983. Mount St. Helens. Skamania County, Washington. 1981. Mount St. Helens. Cowlitz County, Washington. 1981. Mount St. Helens. Skamania County, Washington. 1978. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1981. Mount St. Helens. Cowlitz County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1982. Mount Hood. Hood River County, Oregon. 1983. Mount St. Helens. Cowlitz County, Washington. 1981. Mount St. Helens. Cowlitz County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1983. Mount St. Helens. Skamania County, Washington. 1982. Mount St. Helens. Skamania County, Washington. 1983. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1983. Mount St. Helens. Skamania County, Washington. 1981. Mount St. Helens. Skamania County, Washington. 1978. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1981. Mount St. Helens. Skamania County, Washington. 1982. Mount Rainier National Park. Pierce County, Washington. 1977. Mount Adams. Yakima County, Washington. n.d.