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Index card: Phreatic explosion crater in May 18 debris flow deposits, which are covered (partly) by May 18 pyroclastic flow deposit. Skamania County, Washington. August 11, 1980.


map background search result map search result map Aerial view of northeast side of Mount St. Helens. Skamania County, Washington. 1980. Aerial view of limit of blast area. Mount St. Helens, 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 mudflow filling upper part of Swift Reservoir. 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 limit of blast area. Mount St. Helens, Washington. 1980. Aerial view of ash flow deposits on north slope and apron of Mount Saint Helens. Skamania County, Washington. 1980. Aerial view of Toutle River debris flow and dammed tributaries. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view of upper part of Shoestring Glacier and steam cloud. Mount St. Helens, Skamania County, Washington. 1980. Mel A. Kuntz below stairsteps. Mount St. Helens, Skamania County, Washington. 1980. Charred tree trunk in blast area, south of Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980. July 22 pyroclastic flow deposit and levees. Mount St. Helens, Skamania County, Washington. 1980. Surface of July 22 pyroclastic flow deposit. Mount St. Helens, Skamania County, Washington. 1980. Mel A. Kuntz on July 22 pyroclastic flow deposit (gray), June 12 pyroclastic flow deposit in foreground. Mount St. Helens, Skamania County, Washington. 1980. Scoured surface and debris flow deposit in background.  Mount St. Helens, Skamania County, Washington. 1980. May 18 pyroclastic flow deposit (section). Mount St. Helens, Skamania County, Washington. 1980. May 18 pyroclastic flow deposit (section). Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flow deposits June 12 on May 18. Mount St. Helens, Skamania County, Washington. 1980. Phreatic explosion crater in May 18 debris flow deposits. 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 Toutle River debris flow and dammed tributaries. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view of northeast side of Mount St. Helens. 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 mudflow filling upper part of Swift Reservoir. Mount St. Helens, Skamania County, Washington. 1980. Aerial view of ash flow deposits on north slope and apron 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. Mel A. Kuntz below stairsteps. Mount St. Helens, Skamania County, Washington. 1980. Charred tree trunk in blast area, south of Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980. July 22 pyroclastic flow deposit and levees. Mount St. Helens, Skamania County, Washington. 1980. Surface of July 22 pyroclastic flow deposit. Mount St. Helens, Skamania County, Washington. 1980. Mel A. Kuntz on July 22 pyroclastic flow deposit (gray), June 12 pyroclastic flow deposit in foreground. Mount St. Helens, Skamania County, Washington. 1980. Scoured surface and debris flow deposit in background.  Mount St. Helens, Skamania County, Washington. 1980. May 18 pyroclastic flow deposit (section). Mount St. Helens, Skamania County, Washington. 1980. May 18 pyroclastic flow deposit (section). Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flow deposits June 12 on May 18. Mount St. Helens, Skamania County, Washington. 1980. Phreatic explosion crater in May 18 debris flow deposits. Mount St. Helens, Skamania County, Washington. 1980. Crater and stairstep area. Mount St. Helens, Skamania County, Washington. 1980. Aerial view of limit of blast area. Mount St. Helens, Washington. 1980. Aerial view of limit of blast area. Mount St. Helens, Washington. 1980.