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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: Aerial view of Muddy River, showing debris flow from Mount St. Helens. Skamania County, Washington. September 11, 1980.
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Index card: Ashfall area of May 18, 1980 eruption of Mount St. Helens. Walupt Lake picnic area. View of Lake Walupt shore showing ash washing into lake. Yakima County, Washington. July 16, 1980.
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Index card: Cowlitz County bridge on South Fork Toutle River. This bridge barely survived the mudflow on May 18. D.R. Crandell for scale. Cowlitz County, Washington. July 5, 1980.
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Index card: View from Coldwater I observation post on May 23, 1980. Compare with number 54ct. Cowlitz County, Washington.
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Index card: Bailey bridge used at temporary span over Toutle River near town of Toutle. Cowlitz County, Washington. September 21, 1980.
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Index card: I-5 bridge over Toutle River. Note mud line on left abutment and paint removed from main girder by logs. Cowlitz County, Washington. July 5, 1980.
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Album caption: Oblique aerial view from north looking across landscape into crater; steaming dome in center. Spirit Lake at left. Skamania County, Washington. May 24, 1982. (Photo 82-S1-145 by Robert Krimmel) Index card unavailable.
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Index card: Oblique aerial view showing Mount St. Helens and South Fork Toutle River mudflow after the May 25, 1980 ash eruption. Note the large gully in the upper center of the view. Skamania and Cowlitz Counties, Washington. 1980.
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Slide description and index card: Aerial view of Mount St. Helens southwest flank: "Two-Fingers" lava flow left of center, "Mitten" lava flow right of center. Skamania County, Washington. September 28, 1979. (Part of plane visible in upper left corner).


map background search result map search result map Oblique aerial view showing Mount St. Helens and South Fork Toutle River mudflow. Skamania and Cowlitz Counties, Washington. 1980. Oblique aerial view from north looking across landscape into crater. Skamania County, Washington. 1982. South abutment, Tower Road bridge, Toutle River. Cowlitz County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1980. Aerial view of Toutle River debris flow surface. Mount St. Helens, Cowlitz County, Washington. 1980. Oblique aerial view looking down at dome and adjacent areas of crater floor. Mount St. Helens, Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view showing both craters at Mount St. Helens summit and septum separating them. Skamania County, Washington. 1980. Aerial view of Mount St. Helens dome looking north. Skamania County, Washington. 1981. Mount St. Helens. Yakima County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1980. South abutment, Tower Road bridge, Toutle River. Cowlitz County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1980. Oblique aerial view from north looking across landscape into crater. Skamania County, Washington. 1982. Oblique aerial view looking down at dome and adjacent areas of crater floor. Mount St. Helens, Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view showing both craters at Mount St. Helens summit and septum separating them. Skamania County, Washington. 1980. Aerial view of Mount St. Helens dome looking north. Skamania County, Washington. 1981. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Aerial view of Toutle River debris flow surface. Mount St. Helens, Cowlitz County, Washington. 1980. Oblique aerial view showing Mount St. Helens and South Fork Toutle River mudflow. Skamania and Cowlitz Counties, Washington. 1980. Mount St. Helens. Yakima County, Washington. 1980.