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Index card: Crater from north face showing breach and pyroclastic flow. Aerial photo taken from U.S. Forest Service observer aircraft. Skamania County, Washington. July 26, 1980.
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Index card: Distant view from north through breach with portion of Spirit Lake area in foreground. Aerial photo taken from U.S. Forest Service observer aircraft. Skamania County, Washington. July 26, 1980.
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Album caption: Mount St. Helens in eruption on May 18, 1980 showing the violence of the eruption in contrast with the quiet countryside, Mount Adams in background. Skamania County, Washington. Index card unavailable.
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Caption: Huge crater left by Mount St. Helens eruption. The May 18, 1980, eruption of Mount St. Helens volcano in Washington State produced a crater at the mountain approximately one kilometer wide and two kilometers long. According to U.S. Geological Survey scientists, the atom bomb-like force of the main eruption also exploded out about 5,000 feet of the north face of the mountain and leveled trees in a 185 square mile area. The volcano last erupted 123 years ago. PIO No. 80-179.
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Caption: Mount St. Helens levels 185 square miles of forestland. Thousands of trees knocked down by the atom bomb-like blast of the May 18, 1980, eruption of southern Washington state's Mount St. Helens volcano are shown in this photo taken near the mountain several weeks after the main eruption. According to U.S. Geological Survey scientists, the Cascade Mountain Range volcano's first eruption in 123 years leveled trees in a 185 square mile area and spewed about 1 cubic kilometer of ash and rock which fell over 11 western and central states. August 1980. PIO No. 80-180c
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Index card: Upper east slope of volcano. View is to the south. Aerial photo taken from U.S. Forest Service observer aircraft. Skamania County, Washington. July 26, 1980.
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Album caption: Aerial view of lava dome that developed in the crater of Mount St. Helens since the October 1980 eruption. The dome here is approximately 300 feet high and 800 feet across. Skamania County, Washington. January 7, 1981. ( Photo by Terry Leighley) Published on p. 98, upper photo, in U.S. Geological Survey. Earthquake information bulletin, v. 13,no.3. May–June 1981. Index card unavailable.
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Album caption: Oblique aerial view from the south of Mount St. Helens, with Mt. Rainier partially visible in the background. Logged area visible in foreground. Skamania County, Washington. 1978. (Same USGS no. 542) Index card unavailable.
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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 lower east slope of Mount St. Helens showing ash-covered valleys. Aerial photo taken from U.S. Forest Service observer aircraft. Skamania County, Washington. July 26, 1980.
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Index card: Portion of east side of Mount St. Helens. Aerial photo taken from U.S. Forest Service observer aircraft. Skamania County, Washington. July 26, 1980.
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Album caption and index card: Near view of St. Helens Lake after the eruption of May 18th. View is to the south. Skamania County, Washington. n.d. Published as figure 6 in U.S. Geological Survey. Circular 850-G. 1981.
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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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Slide description: Oblique aerial view of southwest flank of Mount St. Helens. Ash being deflated from flank by strong winds. Skamania County, Washington. April 2, 1980. (Plane wing visible at left).
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Index card (115ct-118ct): Different oblique aerial views of more trees downed. Note how blast followed the contours of the mountainside. Skamania and/or Cowlitz County, Washington. 1980.
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Index card (115ct-118ct): Different oblique aerial views of more trees downed. Note how blast followed the contours of the mountainside. Skamania and/or Cowlitz County, Washington. 1980.
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Typed caption accompanying slide: 19:01 pyroclastic flow continues its advance as helicopter moves west. Skamania County, Washington. (Photo by H. Glicken) 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. 52 typed caption: View of eruption at 19:03, the plume develops a mushroom-like...


map background search result map search result map Trees downed. Mount St. Helens, Washington. 1980. Trees downed. Mount St. Helens, Washington. 1980. Mount St. Helens showing the violence of the eruption in contrast with the quiet countryside, Mount Adams in background. Skamania County, Washington. 1980. Aerial view of lava dome that developed in the crater of Mount St. Helens. Skamania County, Washington. 1981. Oblique aerial view from the south of Mount St. Helens, with Mt. Rainier partially visible in the background. Skamania County, Washington. 1978. Near view of St. Helens Lake after the eruption of May 18th. Skamania County, Washington. circa 1980. Crater from north face showing breach and pyroclastic flow. Mount St. Helens, Skamania County, Washington. 1980. Distant view from north through breach with portion of Spirit Lake area in foreground. Mount St. Helens, Skamania County, Washington. 1980. Portion of east side of Mount St. Helens. Skamania County, Washington. 1980. Huge crater left by Mount St. Helens eruptions. Skamania County, Washington. 1980. Mount St. Helens levels 185 square miles of forestland. Skamania County, Washington. 1980. View of lower east slope of Mount St. Helens showing ash-covered valleys. Skamania County, Washington. 1980. Upper east slope of volcano. Mount St. Helens, Skamania County, Washington. 1980. Near oblique aerial view of volcanic dome in Mount St. Helens crater, partially obscured by plumes from fumaroles. Skamania County, Washington. 1980. Oblique aerial view of Mount St. Helens in eruption. Skamania County, Washington. 1980. Oblique aerial view of southwest flank of Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view showing both craters at Mount St. Helens summit and septum separating them. Skamania County, Washington. 1980. Oblique aerial view across Mount St. Helens summit crater. Skamania County, Washington. 1980. Aerial view looking south into Mount St. Helens crater. Skamania County, Washington. 1980. Sequence of photographs show second eruptive pulse on July 22, 1980. Mount St. Helens, Skamania County, Washington. Mount St. Helens showing the violence of the eruption in contrast with the quiet countryside, Mount Adams in background. Skamania County, Washington. 1980. Aerial view of lava dome that developed in the crater of Mount St. Helens. Skamania County, Washington. 1981. Oblique aerial view from the south of Mount St. Helens, with Mt. Rainier partially visible in the background. Skamania County, Washington. 1978. Near view of St. Helens Lake after the eruption of May 18th. Skamania County, Washington. circa 1980. Huge crater left by Mount St. Helens eruptions. Skamania County, Washington. 1980. Mount St. Helens levels 185 square miles of forestland. Skamania County, Washington. 1980. Near oblique aerial view of volcanic dome in Mount St. Helens crater, partially obscured by plumes from fumaroles. Skamania County, Washington. 1980. Oblique aerial view of Mount St. Helens in eruption. Skamania County, Washington. 1980. Oblique aerial view of southwest flank of Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view showing both craters at Mount St. Helens summit and septum separating them. Skamania County, Washington. 1980. Oblique aerial view across Mount St. Helens summit crater. Skamania County, Washington. 1980. Aerial view looking south into Mount St. Helens crater. Skamania County, Washington. 1980. Sequence of photographs show second eruptive pulse on July 22, 1980. Mount St. Helens, Skamania County, Washington. Crater from north face showing breach and pyroclastic flow. Mount St. Helens, Skamania County, Washington. 1980. Distant view from north through breach with portion of Spirit Lake area in foreground. Mount St. Helens, Skamania County, Washington. 1980. Portion of east side of Mount St. Helens. Skamania County, Washington. 1980. View of lower east slope of Mount St. Helens showing ash-covered valleys. Skamania County, Washington. 1980. Upper east slope of volcano. Mount St. Helens, Skamania County, Washington. 1980. Trees downed. Mount St. Helens, Washington. 1980. Trees downed. Mount St. Helens, Washington. 1980.