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Index card: Dikes in crater wall. Skamania County, Washington. August 11, 1980. (Also Mount St. Helens black and white photograph number 9.) Note: See also msh0009.
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Index card: Aerial view of phreatic craters on pyroclastic flow plain between Mount Saint Helens and Spirit Lake, also shows rough area underlain by debris flow. Skamania County, Washington. August 9, 1980.
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Index card: Close-up view of collapsed phreatic explosion crater in debris flow deposit, covered by 0.5m of May 18 pyroclastic flow deposit, south of Spirit Lake. Skamania County, Washington. August 11, 1980.
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Index card: Collapsed phreatic explosion crater in debris flow deposit, covered by 0.5m of May 18 pyroclastic flow deposit, south of Spirit Lake. Skamania County, Washington. August 11, 1980.


map background search result map search result map Aerial view of north side of Mount Saint Helens and Spirit Lake. Skamania County, Washington. 1980. Aerial view of phreatic explosion craters at south edge of Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980. Aerial view of Toutle River debris flow and dammed tributary. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view of south side of Mount Saint Helens with fume cloud. Skamania County, Washington. 1980. Aerial view of phreatic craters on pyroclastic flow plain between Mount Saint Helens and Spirit Lake. Skamania County, Washington. 1980. Aerial view of crater and apron on north side of Mount Saint Helens. Skamania County, Washington. 1980. Aerial view of crater and apron on north side of Mount Saint Helens.  Skamania County, Washington. 1980. Aerial view of east and south limits of blast area on east side of Mount Saint Helens. Skamania County, Washington. 1980. Aerial view of upper part of Shoestring Glacier and steam cloud. Mount St. Helens, Skamania County, Washington. 1980. Aerial view of crater, lava dome, and fume vents. Mount St. Helens, Skamania County, Washington. 1980. Dikes in crater wall. Mount St. Helens, Skamania County, Washington. 1980. Crater and upper range. Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flows from May 18, July 22, and August 7 on plain. Mount St. Helens, Skamania County, Washington. 1980. Collapsed phreatic explosion crater in debris flow deposit. Mount St. Helens, Skamania County, Washington. 1980. Collapsed phreatic explosion crater in debris flow deposit. Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flow deposits with Spirit Lake in background. Mount St. Helens, Skamania County, Washington. 1980. May 18 pyroclastic flow deposit (section). Mount St. Helens, Skamania County, Washington. 1980. Collapsed crater (kettle) in May 18 pyroclastic flow deposit. Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flow paths on plain south of Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980. Crater and stairstep area. Mount St. Helens, Skamania County, Washington. 1980. Aerial view of Toutle River debris flow and dammed tributary. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view of north side of Mount Saint Helens and Spirit Lake. Skamania County, Washington. 1980. Aerial view of phreatic explosion craters at south edge of Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980. Aerial view of south side of Mount Saint Helens with fume cloud. Skamania County, Washington. 1980. Aerial view of phreatic craters on pyroclastic flow plain between Mount Saint Helens and Spirit Lake. Skamania County, Washington. 1980. Aerial view of crater and apron on north side of Mount Saint Helens. Skamania County, Washington. 1980. Aerial view of crater and apron on north side of Mount Saint Helens.  Skamania County, Washington. 1980. Aerial view of east and south limits of blast area on east side of Mount Saint Helens. Skamania County, Washington. 1980. Aerial view of upper part of Shoestring Glacier and steam cloud. Mount St. Helens, Skamania County, Washington. 1980. Aerial view of crater, lava dome, and fume vents. Mount St. Helens, Skamania County, Washington. 1980. Dikes in crater wall. Mount St. Helens, Skamania County, Washington. 1980. Crater and upper range. Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flows from May 18, July 22, and August 7 on plain. Mount St. Helens, Skamania County, Washington. 1980. Collapsed phreatic explosion crater in debris flow deposit. Mount St. Helens, Skamania County, Washington. 1980. Collapsed phreatic explosion crater in debris flow deposit. Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flow deposits with Spirit Lake in background. Mount St. Helens, Skamania County, Washington. 1980. May 18 pyroclastic flow deposit (section). Mount St. Helens, Skamania County, Washington. 1980. Collapsed crater (kettle) in May 18 pyroclastic flow deposit. Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flow paths on plain south of Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980. Crater and stairstep area. Mount St. Helens, Skamania County, Washington. 1980.