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Slide description and index card (69ct, 79ct): Mount St Helens in eruption. Oblique aerial view of Mount St. Helens from the northwest: first view of new crater/north side. Photos are within seconds of each other. 20:09 hrs. Skamania County, Washington. May 18, 1980. (Portion of plane wing visible at left).
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Typed caption accompanying slides and index card: Scenic view, at 20:54 hours (PDT), looking northeast at ash plume at dusk. Skamania County, Washington. (Photo by Richard P. Hoblitt). Note: Mount St. Helens - List of color transparencies (slides) of the July 22, 1980 eruption. The following slides (1-114) 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 began at 17:14, 18:30 and 19:02 PDT.
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Index card: Generalized map of flowage deposits from the May 18, 1980 eruption, around Mount St. Helens. Skamania and Cowlitz Counties, Washington.
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Typed caption accompanying slides: General view of Mount St. Helens from the north between the 1st and 2nd eruptive pulses (17:57). Skamania County, Washington. (Photo by R. Hoblitt). Index card (nos. 1ct-98ct): Series of essentially time lapse photographs recording the three major eruptive pulses that began at 17:14 hours, 18:30 hours, and 19:02 hours Pacific Daylight Savings Time, July 22, 1980. Photographs were taken by Jim Vallance in a fixed wing aircraft, Michael P. "Mike" Doukas, Harry Glicken, and Richard P. "Rick" Hoblitt in a helicopter. Skamania County, Washington. (Complete captions on file). Note: Mount St. Helens - List of color transparencies (slides) of the July 22, 1980 eruption. The following...
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Typed caption accompanying slides: Approximately 3 seconds after slide no. 11. Good illustration of "ash fountain" feeding material into the advancing pyroclastic flow. Skamania County, Washington. (Tip of wing of aircraft visible) (Photo by J. Valance) Note: Mount St. Helens - List of color transparencies (slides) of the July 22, 1980 eruption. The following slides (1-114) 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 began at 17:14, 18:30 and 19:02 PDT. Additional...
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Typed caption accompanying slides: View of eruption at 18:26:30 on July 22, 1980. Mount St. Helens. Skamania County, Washington. (Photo by J. Vallance) Note: Mount St. Helens - List of color transparencies (slides) of the July 22, 1980 eruption. The following slides (1-114) 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 began at 17:14, 18:30 and 19:02 PDT. Additional note: Slides no. 5-25 were taken between 18:25:20 and 18:26:30. This sequence was taken while moving...
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Typed caption accompanying slides: View of eruption between 18:30 and 18:31. Skamania County, Washington. (Photo by J. Vallance) Note: Mount St. Helens - List of color transparencies (slides) of the July 22, 1980 eruption. The following slides (1-114) 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 began at 17:14, 18:30 and 19:02 PDT. Additional note: Slides no. 28 through no. 37 show second eruptive pulse. This sequence was taken while moving counter clockwise from...
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Typed caption accompanying slides: View of eruption between 18:30 and 18:31. Skamania County, Washington. (Photo by J. Vallance) Note: Mount St. Helens - List of color transparencies (slides) of the July 22, 1980 eruption. The following slides (1-114) 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 began at 17:14, 18:30 and 19:02 PDT. Additional note: Slides no. 28 through no. 37 show second eruptive pulse. This sequence was taken while moving counter clockwise from...
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Index card: View of snow-covered Mount St. Helens, looking south from Harry's river. Small plume rising from crater. Geologist at work in foreground. Skamania County, Washington. April 13, 1981.
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Slide description: Oblique aerial view across summit crater. Helicopter in view at right. 1509 hrs. Skamania County, Washington. April 10, 1980. No index card available.
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Index card: View of snow-capped Mount St. Helens looking south. Snow-capped Mt. Hood visible in distance. Skamania County, Washington and Hood River County, Oregon. July 8. 1981.


map background search result map search result map Scenic view of Mount St. Helens after the July 22 eruption, looking northeast at ash plume at dusk. Skamania County, Washington. 1980. Aerial view of top of dome, showing cracks. Mount St. Helens, Skamania County, Washington. 1981. 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. Snow-covered Mount St. Helens, looking south from Harry's river. Skamania County, Washington. 1981. General view of Mount St. Helens from the north between the 1st and 2nd eruptive pulses on July 22, 1980 eruption. Skamania County, Washington. 1980. Good illustration of "ash fountain" after Mount St. Helen July 22, 1980 eruption. Skamania County, Washington. Oblique aerial view of Mount St. Helens in eruption, showing the first view of the new crater and north side of the volcano. Skamania County, Washington. 1980. Mount St. Helens. Cowlitz County and Skamania County, Washington. 1980. View of Mount St. Helens eruption on July 22, 1980. Skamania County, Washington. View of Mount St. Helens eruption on July 22, 1980. Skamania County, Washington. View of Mount St. Helens eruption on July 22, 1980. Skamania County, Washington. Oblique aerial view looking easterly at Mount St. Helens summit and phreatic eruption. Skamania County, Washington. 1980. Oblique aerial view looking easterly at Mount St. Helens summit and phreatic eruption. Skamania County, Washington. 1980. Oblique aerial view looking southeast, Mount St. Helens phreatic eruption plume continuing to build. Skamania County, Washington. 1980. Oblique aerial view across Mount St. Helens summit crater. Skamania County, Washington. 1980. Near view of top of Mount St. Helens dome, showing cracks. Skamania County, Washington. 1980. Ground level view of dome, in shadow, from the west - partially obscured by fumaroles. Mount St. Helens, Skamania County, Washington. 1981. Aerial view of Mount St. Helens dome looking north. Skamania County, Washington. 1981. View of snow-capped Mount St. Helens looking south. Skamania County, Washington and Hood River County, Oregon. 1981. Scenic view of Mount St. Helens after the July 22 eruption, looking northeast at ash plume at dusk. Skamania County, Washington. 1980. Aerial view of top of dome, showing cracks. Mount St. Helens, Skamania County, Washington. 1981. 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. Snow-covered Mount St. Helens, looking south from Harry's river. Skamania County, Washington. 1981. General view of Mount St. Helens from the north between the 1st and 2nd eruptive pulses on July 22, 1980 eruption. Skamania County, Washington. 1980. Good illustration of "ash fountain" after Mount St. Helen July 22, 1980 eruption. Skamania County, Washington. Oblique aerial view of Mount St. Helens in eruption, showing the first view of the new crater and north side of the volcano. Skamania County, Washington. 1980. View of Mount St. Helens eruption on July 22, 1980. Skamania County, Washington. View of Mount St. Helens eruption on July 22, 1980. Skamania County, Washington. View of Mount St. Helens eruption on July 22, 1980. Skamania County, Washington. Oblique aerial view looking easterly at Mount St. Helens summit and phreatic eruption. Skamania County, Washington. 1980. Oblique aerial view looking easterly at Mount St. Helens summit and phreatic eruption. Skamania County, Washington. 1980. Oblique aerial view looking southeast, Mount St. Helens phreatic eruption plume continuing to build. Skamania County, Washington. 1980. Oblique aerial view across Mount St. Helens summit crater. Skamania County, Washington. 1980. Near view of top of Mount St. Helens dome, showing cracks. Skamania County, Washington. 1980. Ground level view of dome, in shadow, from the west - partially obscured by fumaroles. Mount St. Helens, Skamania County, Washington. 1981. Aerial view of Mount St. Helens dome looking north. Skamania County, Washington. 1981. View of snow-capped Mount St. Helens looking south. Skamania County, Washington and Hood River County, Oregon. 1981. Mount St. Helens. Cowlitz County and Skamania County, Washington. 1980.