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Index card: Gas and ash emission, Mount St. Helens, viewed from the north, with geologist in foreground with monitoring equipment. Skamania County, Washington. April 6, 1983. (Photo by Lyn Topinka)
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Index card: Small gas and ash emission as viewed from up near the dome. Skamania County, Washington. May 20, 1982. (Photo by Dan Dzurisin)
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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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Slide description: Similar oblique aerial view of southeast side of Mount St. Helens - ash being deflated from southwest flank. Skamania County, Washington. April 2, 1980. (Part of plane wing visible at right).
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Index card: Oblique aerial view of pyroclastic flows of July 22, 1980 eruption, one lobe on top of the other. Skamania County, Washington. September 30, 1980. (Photo by Lyn Topinka)
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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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Caption from slide: Why make predictions? No index card available.
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Slide description: Near oblique aerial view of craters and ash-rich eruption plumes. Skamania County, Washington. April 2, 1980. (Part of plane visible at center and lower right). No index card available.
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Index card: View along Smith Creek showing tree blowdown, singed trees, and green trees which missed the blast. Skamania County, Washington. April 26, 1982. (Photo by Lyn Topinka)
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Index card: View of the Plains of Abraham, on the east flanks of Mount St. Helens. Skamania County, Washington. June 1978. (Photo by Lyn Topinka)
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Index card: Lahar, from May 18, 1980, which flowed down the Muddy River drainage, southeast flank of Mount St. Helens. Skamania County, Washington. September 24, 1980. (Photo by Lyn Topinka)
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Index card: Devastation along the North Fork Toutle River resulting from the May 18, 1980 lahars. Note mudlines on trees and on house near balcony. Cowlitz County, Washington. March 26, 1981. (Photo by Lyn Topinka)
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Slide description: Oblique aerial view of Mount St. Helens summit: phreatic eruption - ash fall and as cloud at right, relatively clean snow in foreground. Skamania County, Washington. April 10, 1980. No index card available.
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Index card: More distant aerial view, looking south, of crater and dome partially obscured by plumes from fumaroles. Skamania County, Washington. July 13, 1980. (Photo by M. Doukas). (Tip of plane wing visible at left edge of photo).
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Slide description: Telephoto view of summit area of Mount St. Helens viewed from southwest, showing snow darkened by ashfall on north slope. Skamania County, Washington. March 30, 1980. No index card available.
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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.


map background search result map search result map More distant aerial view, looking south, of Mount St. Helens crater and dome partially obscured by plumes from fumaroles. Skamania County, Washington. 1980. Near view of south side of dome. Mount St. Helens, Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1982. Mount St. Helens. Skamania County, Washington. 1983. Oblique aerial view of southwest flank of Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view of southeast side of Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1982. Near oblique aerial view of Mount St. Helens craters and ash-rich eruption plumes. Skamania County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1981. Oblique aerial view down into Mount St. Helens crater showing debris at bottom. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1978. Oblique aerial view showing both craters at Mount St. Helens summit and septum separating them. Skamania County, Washington. 1980. Oblique aerial view of Mount St. Helens summit phreatic eruption. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1982. Telephoto view of summit area of Mount St. Helens viewed from southwest. Skamania County, Washington. 1980. Near aerial view of summit of Mount St. Helens. Skamania County, Washington. 1980. Aerial view looking south into Mount St. Helens crater. Skamania County, Washington. 1980. Mount St. Helens. Cowlitz County, Washington. 1981. More distant aerial view, looking south, of Mount St. Helens crater and dome partially obscured by plumes from fumaroles. Skamania County, Washington. 1980. Near view of south side of dome. Mount St. Helens, Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1982. Mount St. Helens. Skamania County, Washington. 1983. Oblique aerial view of southwest flank of Mount St. Helens. Skamania County, Washington. 1980. Oblique aerial view of southeast side of Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1982. Near oblique aerial view of Mount St. Helens craters and ash-rich eruption plumes. Skamania County, Washington. 1980. Oblique aerial view down into Mount St. Helens crater showing debris at bottom. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1978. Oblique aerial view showing both craters at Mount St. Helens summit and septum separating them. Skamania County, Washington. 1980. Oblique aerial view of Mount St. Helens summit phreatic eruption. Skamania County, Washington. 1980. Mount St. Helens. Skamania County, Washington. 1982. Telephoto view of summit area of Mount St. Helens viewed from southwest. Skamania County, Washington. 1980. Near aerial view of summit of Mount St. Helens. Skamania County, Washington. 1980. Aerial view looking south into Mount St. Helens crater. Skamania County, Washington. 1980.