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Pumice plain pit, three years after the May 18, 1980 Mount St. Helens eruption. Skamania County, Washington. 1983. Index card: Scientists in pit on pumice plain. Note erosion into pit in three years since May 18, 1980 eruption. Skamania County, Washington. October 5, 1983. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags View of Elk Rock Lake after it was breached. Mount St. Helens, Cowlitz County, Washington. 1980. Index card: View of Elk Rock Lake after it was breached; geologist at right. Cowlitz County, Washington. August 27, 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Cowlitz County, Washington, Mount St. Helens Collection, Photographers, All tags... Volcanoes, color transparency (slides), Fewer tags Helicopter landing on the south rim of Mount St. Helens. Skamania County, Washington. 1983. Index card: Helicopter landing on the south rim of Mount St. Helens. Skamania County, Washington. September 23, 1983. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Raising equipment from river. Mount St. Helens, Cowlitz County, Washington. 1981. Index card: Geologist cranking fast to raise USGS/WRD equipment from river - logs on the way. Cowlitz County, Washington. December 6, 1981. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Cowlitz County, Washington, Mount St. Helens Collection, Photographers, All tags... Volcanoes, color transparency (slides), Fewer tags Mount St. Helens steaming with Mt Rainier in the distance. Skamania and Pierce Counties, Washington. 1981. Index card: Each day is different. Aerial view of Mount St. Helens steaming, with clear skies and Mt Rainier visible in the distance. Skamania and Pierce Counties, Washington. April 25, 1981. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Pierce County, Washington, All tags... Skamania County, Washington, Volcanoes, aerial, color transparency (slides), Fewer tags Southerly view into amphitheater and crater of Mount St. Helens. Skamania County, Washington. 1980. Index card: Southerly view into amphitheater and crater of Mount St. Helens also showing steam dome. Skamania County, Washington. May 19, 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Mount St. Helens crater, looking at the dome. Skamania County, Washington. 1983. Index card: Aerial view of the south rim of crater, looking at the dome. Skamania County, Washington. April 15, 1983. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, aerial, color transparency (slides), Fewer tags Corps of Engineers trying to breach Elk Rock Lake. Mount St. Helens, ​Cowlitz County, Washington. 1980. Index card: Corps of Engineers trying to breach Elk Rock Lake by hand - it did not work. Nature breached the lake five days later. Equipment and small bridges downstream were damaged. Cowlitz County, Washington. August 22, 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Cowlitz County, Washington, Mount St. Helens Collection, Photographers, All tags... Volcanoes, color transparency (slides), Fewer tags Waterfall in blast zone, Smith Creek. Mount St. Helens, Skamania County, Washington. 1980. Index card: Waterfall in blast zone, Smith Creek. Skamania County, Washington. November 13, 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Aerial view of the Corps of Engineers dredging river. Mount St. Helens, Cowlitz County, Washington.o 1980. Index card: To help with the heavy sediment load on the Toutle River and the Cowlitz River - aerial view of Corps of Engineers dredging river. Cowlitz County, Washington. September 16, 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Cowlitz County, Washington, Mount St. Helens Collection, Photographers, All tags... Volcanoes, aerial, color transparency (slides), Fewer tags Mount St. Helens with its slopes covered with ash. Skamania County, Washington. 1980. Index card: Mount St. Helens with its slopes covered in ash, the tell-tale signs of previous ash bursts. Skamania County, Washington. December 16, 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Sunrise over Mt. Hood as seen from Pearson Airpark, Vancouver, WA. Mount St. Helens, Clark County, Washington and Hood River County, Oregon. 1980. Index card: Sunrise over Mt. Hood as seen from Pearson Airpark, Vancouver, WA. This airpark is the point of departure for helicopters taking scientists to Mount St. Helens. Hood River County, Oregon and Clark County, Washington. November 13, 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Clark County, Washington, Hood River County, Oregon, Mount St. Helens Collection, All tags... Photographers, Volcanoes, color transparency (slides), Fewer tags Ash protection for the camera mount. Mount St. Helens, Skamania County, Washington,1982. Index card: Hazards - ash protection, camera mount. Skamania County, Washington. August 17, 1982. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Mount St. Helens, viewed from south of Chehalis. Lewis and Skamania Counties, Washington. 1981 Index card: View of Mount St. Helens from south of Chehalis. The loss of the upper part of the volcano during the eruption of May 18, 1980, is very apparent. Lewis and Skamania Counties, Washington. February 28, 1981. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Lewis County, Washington, Mount St. Helens Collection, Photographers, All tags... Skamania County, Washington, Volcanoes, color transparency (slides), Fewer tags View of geologist using Rangemaster EDM, shooting laser beam to the flanks of Mount St. Helens. Skamania County, Washington. 1982. Index card: Near view of geologist using Rangemaster EDM, shooting laser beam to target on flanks of Mount St. Helens. Skamania County, Washington. July 9, 1982. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Time-lapse photography setup on Sugarbowl, documenting Mount St. Helens ash bursts. Skamania County, Washington. 1983. Index card: Photography setup on Sugarbowl - to photograph the ash bursts on time-lapse camera. Skamania County, Washington. April 16, 1983. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags The USGS measuring the Mount St. Helens dome from Harry's Ridge. Skamania County, Washington. 1981. Index card: The USGS measures the dome in many ways. USGS measuring dome, from 8 km away, on Harry's Ridge. Skamania County, Washington. October 31, 1981. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Trees along the mudflow paths suffocated: view of dead leaf. Mount St. Helens, Skamania County, Washington. 1980. Index card: Trees along the mudflow paths suffocated: view of dead leaf. Skamania County, Washington. September 23, 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Helicopter pilot lounging and enjoying the sun. Mount St. Helens, Skamania County, Washington. 1983. Index card: The winter snow wasn't a hazard for everyone - helicopter pilot enjoying sun while sitting in lounge chair on snow by helicopter. Skamania County, Washington. April 6, 1983. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Volcanoes, All tags... color transparency (slides), Fewer tags The May 18, 1980 mudflow undercut banks on Pine Creek. Mount St. Helens, Skamania County, Washington. 1980. Index card: The May 18, 1980 mudflow undercut banks on Pine Creek. Woman geologist stands on undercut bank at left. Skamania County, Washington. October 1980. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CVO-B Cascades Volcano Observatory Collection, Cascades Volcano Observatory Collection, Mount St. Helens Collection, Photographers, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags « 1 ... 3 4 5 6 7 »