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Index card: Oblique aerial view southeast along the San Andreas fault. In the foreground the block on the west side of fault (right) has been raised relative to block on east side damming drainage from the hills to the east. Carrizo Plain. Sec. 19, T. 32 S., R. 22 E. San Luis Obispo County, California. n.d. Published as figure 40 in U. S. Geological Survey Open-file report 83-98. 1983.
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Index card: Three other Cascade volcanoes are visible from Mount St. Helens - Mt. Adams to the east. Any one of these Cascade peaks has the potential for becoming another active volcano. Yakima County, Washington. September 23, 1983.
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Index card, no. 217ct-264ct: Group of oblique aerial views of Mount St. Helens in eruption; time taken runs from 1326 hrs to 1815 hrs. Photos include near and distant views, eruption and eruption plume, pyroclasitc flows, ash. Skamania County, Washington. May 18, 1980. (Various amounts of plane wing or window frame visible in most views).
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Index card: Spirit-level tilt station next to Mount St. Helens dome. Skamania County, Washington. May 20, 1982. (Photo by Donald A. Swanson)
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Album caption, slide description, and slide index card: MSH-Branch of Exhibits no. 12cp: Mount St. Helens. Aerial view of mudflow deposits and damage along the north bank, North Fork Toutle River. Cowlitz County, Washington. May 26, 1980. (Photo by D. Dzurisin) (Same as MSH-BE-VOLC-0026ct) (msh_boe_volc0026_ct).
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Album caption, slide description, and slide index card: MSH-Branch of Exhibits no. 19cp: Mount St. Helens. Aerial view of barren slope devastated by May 18 eruption. Skamania County, Washington. June 1980. (Photo by J. DeVine) (Same as MSH-BE-VOLC-0033ct) (msh_boe_volc0033_ct).
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Album caption, slide description, and slide index card: MSH-Branch of Exhibits no. 8cp: Mount St. Helens. Aerial view. Minor steam eruption from summit crater, from northeast, 10:15 a.m. Skamania County, Washington. May 31, 1980. (Photo by T. Casadevall) (Same as MSH-BE-VOLC-0022ct)
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Slide description and index card: Aerial photographs of the lava dome that extruded into the crater of Mount St. Helens during the latter part of June 1980.The volcano's dacite lava has a pasty consistency when it is molten, and it tends to pile up rather than to flow laterally. This dome, which was largely destroyed in a subsequent eruption on July 22, 1980, was, at this stage, about 1,200 feet across and 200 feet high. Its rough, shattered appearance resulted mainly from the expansion and shattering of the solidified outer crust as more molten lava was forced upward by the great pressure in the magma chamber underlying the volcano. B, View from the west over the crater rim from a helicopter taking geologists to...
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Album caption: Soil on gravel at elk refuge. Jackson Hole. G.M. Richmond, J.D. Love. September 1963. No index card.
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Typed caption accompanying slides: 19:18:25 new pyroclastic flow deposits from third eruptive pulse cover crater floor. 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 slides (1-114)...
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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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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).


map background search result map search result map Coldwater Ridge ash. Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flow deposits from the third eruptive pulse of the Mount St. Helens July 22 eruption. Skamania County, Washington. 1980. Scenic view of Mount St. Helens after the July 22 eruption, looking northeast at ash plume at dusk. Skamania County, Washington. 1980. Shoestring Glacier, southeast side of Mount St. Helens. Skamania County, Washington. 1970. Near Parícutin Volcano. Michoacán, Mexico. n.d. Foothill farm and Bearwallow Mountain. Great Smoky Mountains National Park, Sevier County, Tennessee. 1954. Soil on gravel at elk refuge. Jackson Hole, Wyoming. 1963. Aerial view of minor steam eruption from Mount St. Helens summit crater. Skamania County, Washington. 1980. Oblique aerial view of Mount St. Helens in eruption. Skamania County, Washington. 1980. Aerial view of mudflow deposits and damage to the north bank of the North Fork Toutle River. Mount St. Helens, Cowlitz County, Washington. 1980. Aerial view of barren slope devastated by May 18 eruption of Mount St. Helens. Skamania County, Washington. 1980. Aerial view of explosion pit on pumice plain. Mount St. Helens, Skamania County, Washington. 1980. View of Mt. Adams to the east, taken from Mount St. Helens. Yakima County, Washington. 1983. Aerial view from the west over the crater rim from a helicopter taking geologists to collect samples and measure temperatures inside the crater. Mount St. Helens, Skamania County, Washington. 1980. 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. Skamania County, Washington. 1982. Oblique aerial view down into Mount St. Helens crater showing debris at bottom. 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 southeast along the San Andreas fault. San Luis Obispo County, California. n.d. Mount St. Helens. Skamania County, Washington. 1980. Aerial view of mudflow deposits and damage to the north bank of the North Fork Toutle River. Mount St. Helens, Cowlitz County, Washington. 1980. Foothill farm and Bearwallow Mountain. Great Smoky Mountains National Park, Sevier County, Tennessee. 1954. Coldwater Ridge ash. Mount St. Helens, Skamania County, Washington. 1980. Pyroclastic flow deposits from the third eruptive pulse of the Mount St. Helens July 22 eruption. Skamania County, Washington. 1980. Scenic view of Mount St. Helens after the July 22 eruption, looking northeast at ash plume at dusk. Skamania County, Washington. 1980. Shoestring Glacier, southeast side of Mount St. Helens. Skamania County, Washington. 1970. Aerial view of minor steam eruption from Mount St. Helens summit crater. Skamania County, Washington. 1980. Oblique aerial view of Mount St. Helens in eruption. Skamania County, Washington. 1980. Aerial view of barren slope devastated by May 18 eruption of Mount St. Helens. Skamania County, Washington. 1980. Aerial view of explosion pit on pumice plain. Mount St. Helens, Skamania County, Washington. 1980. Aerial view from the west over the crater rim from a helicopter taking geologists to collect samples and measure temperatures inside the crater. Mount St. Helens, Skamania County, Washington. 1980. 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. Skamania County, Washington. 1982. Oblique aerial view down into Mount St. Helens crater showing debris at bottom. Skamania County, Washington. 1980. Oblique aerial view looking southeast, Mount St. Helens phreatic eruption plume continuing to build. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view southeast along the San Andreas fault. San Luis Obispo County, California. n.d. View of Mt. Adams to the east, taken from Mount St. Helens. Yakima County, Washington. 1983. Near Parícutin Volcano. Michoacán, Mexico. n.d. Soil on gravel at elk refuge. Jackson Hole, Wyoming. 1963.