Filters: Tags: CVO-A Cascades Volcano Observatory Collection (X)
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Index card: Mounds of soft clay-like material on debris pile - very dense. Skamania or Cowlitz County, Washington. August 22, 1980. (Photo by Lyn Topinka, USGS/CVO).
Index card: Reid Blackburn's (photographer, National Geographic) car, partially buried in four feet of ash at Coldwater I camp, 6.5 miles northwest of Mount St. Helens. Cowlitz County, Washignton. May 31, 1980. (Photo by Dan Dzurisin, USGS/CVO; same as MSH-USGS-BE-VOLC-009_ct).
Index card: Closer view of pyroclastic flow shown in photo no. 86ct (cvoa0086_ct), taken at ground level. Skamania or Cowlitz County, Washington. 1980.
Index card: Mud deposits on the overbank of the Cowlitz River. Driveway dug out to house in background. Cowlitz County, Washington. July 1980. (Photo by Lyn Topinka, USGS/CVO).
Index card: View of the crater floor and new dome. Note helicopter in center of slide for scale. Skamania County, Washington. 1980.
Index card: A different view of one of numerous pools left in the debris. Color of water depended on chemical quality of the water. Cowlitz County, Washington. 1980.
Index card: Near oblique aerial view of edge of blast zone which left an almost definite line between standing and downed trees. Standing trees were killed by the blast. Skamania and/or Cowlitz County, Washington. 1980.
Index card: Oblique aerial view looking downstream from Shoestring Glacier at the Muddy River mudflow. Note the tree in the center of the slide, and how the mudflow followed the topography. Photo no. 9ct (cvoa0009_ct) is taken from a position in the upper right-hand coerner where the Muddy River plunges through the canyon. Skamania County, Washington. 1980.
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