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These slides of the July 22, 1980 eruption of Mount St. Helens were taken by Jim Vallance, who was in a U.S. Forest Service fixed wing aircraft and by Mike Doukas, Harry Glicken, and Rick Hoblitt who were in a U.S. Geological Survey helicopter. There were three major eruptive pulses on July 22, 1980. They begin at 17:14, 18:30 and 19:02 PDT. Slide no. 43 through no. 62 show the third eruptive pulse. this sequence was taken while moving clockwise from the west to the north side of the mountain at a distance of 7 to 10 miles and at an elevation of 17,000 feet. View of eruption at 19:03. Skamania County, Washington. (Photo by J. Vallance, USGS)
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Slide description and index card: Aerial view northeasterly across northwest flank of Mount St. Helens and canyon of South Fork Toutle River. Skamania County, Washington. September 28, 1979. (Part of plane wing visible at left).
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These slides of the July 22, 1980 eruption of Mount St. Helens were taken by Jim Vallance, who was in a U.S. Forest Service fixed wing aircraft and by Mike Doukas, Harry Glicken, and Rick Hoblitt who were in a U.S. Geological Survey helicopter. There were three major eruptive pulses on July 22, 1980. They begin at 17:14, 18:30 and 19:02 PDT. Slides no. 5 through 25 were taken between 18:25:20 and 18:26:30 This sequence was taken while moving counter-clockwise from the north to the west flank of Mount St. Helens at a distance of about 7 miles and while changing elevation from about 10,000 to 12,000 feet. Approximate 3 seconds after slide no. 14. (Wing of aircraft visible). Skamania County, Washington. (Photo by J....
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Typed caption accompanying slide: Stereopair with slide no. 64 taken at 19:11. The plume encounters an atmospheric boundary and is planed off into an anvil shape at about 60,000 feet. Skamania County, Washington. (Photo by J. Vallance) Note: Slide numbers 43 - 50 were taken at 19:01 and show the pyroclastic flow as it advances northward. Skamania County, Washington. July 22, 1980. Slide number 51 was taken at 19:02. Slide numbers 52 - 55 were taken at 19:03. Slide numbers 56 - 57 were taken at 19:04. Slide numbers 58 and 59 were taken at 19:04 and 19:05. Slide numbers 60 - 62 are views of the eruption and were taken at 19:06. Slide no. 52, msh_vjw00052_ct, is highlighted in this photo record. Slide no....
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Index card: Aerial view southeast of approximately upper half of Mount St. Helens; lower half and surrounding countryside obscured by cloud cover. View shows bulge, summit crater, ashfall on slopes. Skamania County, Washington. (End of plane wing visible in lower left).
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Slide description: Nearer aerial view of summit of Mount St. Helens, looking toward the northeastward of the two craters; septum still exists between the two. Skamania County, Washington. April 2, 1980. No index card available.
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Description: The attached file contains a collection of 217 aerial photographs of Mount St. Helens on black and white proof sheets. These were taken by Michael P. Doukas in 1980. The .zip file contains jpeg and tiff versions of each proof sheet. Photograph number MSH-Doukas, M. no. 44 is highlighted. Note Kodak Safety Film 5062. No caption or index card available.
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Slide description: A more distant oblique aerial view of phreatic eruption in progres. Skamania County, Washington. April 2, 1980. (Part of plane visible, center and lower right). No index card available.
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Index card: A little different oblique aerial views looking across rim of Mount St. Helens crater, across Spirit Lake to snow-capped Mt. Rainier in the distance. Skamania and Pierce Counties, Washington. June 28, 1980.
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Album caption: Aerial photograph of Valdez before the earthquake. Valdez district, Alaska Gulf region, Alaska. 1954. (Photo by U. S. Coast and Geodetic Survey). Published as Figure 20-A in U.S. Geological Survey. Circular 491. 1964.


map background search result map search result map These slides of the July 22, 1980 eruption of Mount St. Helens. Skamania County, Washington. 1980. Slides of the July 22, 1980 eruption of Mount St. Helens. Skamania County, Washington. 1980. Aerial view of Mount St. Helens and amphitheater; degassing. Skamania County, Washington. 1980. Aerial view of part of Castle Creek Lake. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view northeast across northwest flank of Mount St. Helens and canyon of South Fork Toutle River. Skamania County, Washington. 1979. Aerial view of Mount St. Helens summit region. Goat Rocks dome near center. Skamania County, Washington. 1979. Aerial view of dome and crater floor from south, with scattered fumaroles. Mount St. Helens, Skamania County, Washington. 1981. Aerial view of dome and snow-covered crater, looking south. Mount St. Helens, Skamania County, Washington. 1981. Aerial view of crater rim, eruptive column, and ash cloud. Mount St. Helens, Skamania County, Washington. 1980. Aerial view southeast of approximately upper half of Mount St. Helens. Skamania County, Washington. 1980. Aerial view of Toutle River debris flow surface. Mount St. Helens, Cowlitz County, Washington. 1980. Mount St. Helens aerial photographs. Skamania County, Washington. 1980. Oblique aerial view looking across rim of Mount St. Helens crater. Skamania and Pierce Counties, Washington. 1980. Oblique aerial view of other-than-the-north flank of Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view looking down at dome and adjacent areas of crater floor. Mount St. Helens, Skamania County, Washington. 1980. Oblique aerial view of the rampart and crater of Mount St. Helens. Skamania County, Washington. 1980. Distant oblique aerial view of Mount St. Helens phreatic eruption in progress. Skamania County, Washington. 1980. Near aerial view of summit of Mount St. Helens. Skamania County, Washington. 1980. Sequence of photographs show second eruptive pulse on July 22, 1980. Mount St. Helens, Skamania County, Washington. Aerial photograph of Valdez before the earthquake. Valdez district, Alaska Gulf region, Alaska. 1954. These slides of the July 22, 1980 eruption of Mount St. Helens. Skamania County, Washington. 1980. Slides of the July 22, 1980 eruption of Mount St. Helens. Skamania County, Washington. 1980. Aerial view northeast across northwest flank of Mount St. Helens and canyon of South Fork Toutle River. Skamania County, Washington. 1979. Aerial view of Mount St. Helens summit region. Goat Rocks dome near center. Skamania County, Washington. 1979. Aerial view of dome and crater floor from south, with scattered fumaroles. Mount St. Helens, Skamania County, Washington. 1981. Aerial view of dome and snow-covered crater, looking south. Mount St. Helens, Skamania County, Washington. 1981. Mount St. Helens aerial photographs. Skamania County, Washington. 1980. Oblique aerial view of other-than-the-north flank of Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view looking down at dome and adjacent areas of crater floor. Mount St. Helens, Skamania County, Washington. 1980. Oblique aerial view of the rampart and crater of Mount St. Helens. Skamania County, Washington. 1980. Distant oblique aerial view of Mount St. Helens phreatic eruption in progress. Skamania County, Washington. 1980. Near aerial view of summit of Mount St. Helens. Skamania County, Washington. 1980. Sequence of photographs show second eruptive pulse on July 22, 1980. Mount St. Helens, Skamania County, Washington. Aerial view of part of Castle Creek Lake. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view of Toutle River debris flow surface. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view of Mount St. Helens and amphitheater; degassing. Skamania County, Washington. 1980. Aerial view of crater rim, eruptive column, and ash cloud. Mount St. Helens, Skamania County, Washington. 1980. Aerial view southeast of approximately upper half of Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view looking across rim of Mount St. Helens crater. Skamania and Pierce Counties, Washington. 1980. Aerial photograph of Valdez before the earthquake. Valdez district, Alaska Gulf region, Alaska. 1954.