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Mount St. Helens barely visible through the fog. Skamania County, Washington. 1983. Index card: Aerial view of a quiet Mount St. Helens just barely peaking up above the fog. 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, aerial, color transparency (slides), Fewer tags Coldwater Lake Exit Early Warning Flood Gage. Mount St. Helens, Cowlitz County, Washington. 1983. Index card: USGS/WRD Coldwater Lake Exit Early Warning Flood Gage. Cowlitz County, Washington. 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, Cowlitz County, Washington, Mount St. Helens Collection, Photographers, All tags... Volcanoes, color transparency (slides), Fewer tags Plume on Mount St. Helens. Skamania County, Washington. 1983. Index card: Photography setup on Sugarbowl, photographing plume. Skamania County, Washington. August 19, 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 Red laser beam on Harry's Ridge as viewed from Mount St. Helens crater. Skamania County, Washington. 1982. Index card: Red laser beam on Harry's Ridge as viewed from crater. Skamania County, Washington. June 23, 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. 1980. Index card: View of Mount St. Helens from south of Chehalis. Lewis and Skamania Counties, Washington. April 12, 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, Lewis County, Washington, Mount St. Helens Collection, Photographers, All tags... Skamania County, Washington, Volcanoes, color transparency (slides), Fewer tags Aerial view of explosion pit on pumice plain. Mount St. Helens, Skamania County, Washington. 1980. Index card: Aerial view of explosion pit on pumice plain. Skamania County, Washington. September 30, 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, aerial, color transparency (slides), Fewer tags View of Mt. Adams to the east, taken from Mount St. Helens. Yakima County, Washington. 1983. 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. 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... Yakima County, Washington, color transparency (slides), Fewer tags View of Mount St. Helens dome after sunrise. Skamania County, Washington. 1982. Index card: View of dome after the sun came up at 10:10:59. Skamania County, Washington. August 20, 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 The August Mount St. Helens lobe extrusion. Skamania County, Washington. 1982. Index card: The August 1982 Mount St. Helens lobe extrusion was on the west (right). Dome from photo station. Skamania County, Washington. September 1, 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 Erosion, channel incision in the blast zone, Smith Creek. Mount St. Helens, ​Skamania County, Washington. 1980. Index card: Aerial view of erosion which began almost immediate after the May 18 eruption - channel incision in the blast zone, Smith Creek. Geologist for scale. Skamania County, Washington. October 4/5, 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, Mount St. Helens Collection, Photographers, All tags... Skamania County, Washington, color transparency (slides), Fewer tags Ash plume rising from Mount St. Helens. Skamania County, Washington. 1980. Index card: A beautiful ash plume rising from Mount St. Helens. Skamania County, Washington. October 9, 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 View from within the helicopter approaching Mount St. Helens. Skamania County, Washington. 1983. Index card: View from within the helicopter approaching Mount St. Helens. Skamania County, Washington. February 3, 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 Taking deformation readings in winter at Mount St. Helens. Skamania County, Washington. 1983. Geologists taking deformation readings in winter; one of them is up to his shoulders in snow. Skamania County, Washington. March 22, 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 Ash burst from Mount St. Helens, seen from Harry's Ridge. Skamania County, Washington. 1983. Index card: Hazards - ash burst as seen from Harry's Ridge. Geologist and equipment at left; snow-cowvered volcano and landscape. 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, Skamania County, Washington, All tags... Volcanoes, color transparency (slides), Fewer tags Downed logs on Spirit Lake. Mount St. Helens, Skamania County, Washington. 1981 Index card: Aerial view of downed logs on Spirit Lake. Note the Water Resources sampling boat. Skamania County, Washington. September 16, 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, aerial, color transparency (slides), Fewer tags Mount St. Helens, during the August 7 eruption. Skamania County, Washington. 1980. Index card: Aerial view approaching Mount St. Helens, during the August 7 eruption. Skamania County, Washington. August 7, 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, aerial, color transparency (slides), Fewer tags Mount St. Helens ash burst in progress. Skamania County, Washington. 1983. Index card (75ct-79ct): Sequence showing an ash burst in progress, timed from 16:21:30 to 16:22:10. 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 Toutle River near Interstate 5, soon after the May 18 mudflow. Mount St. Helens, Cowlitz County, Washington. 1980. Index card: The Toutle River near Interstate 5 soon after the May 18, 1980, mudflow. View from photo station, Toutle River at Highway 99, looking downstream at the Interstate 5 bridge. Cowlitz County, Washington. July 6, 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 Spirit Lake Early Warning Flood Gage. Mount St. Helens, Skamania County, Washington. 1982. Index card: The USGS has a network of Early Warning gages. USGS/WRD (Water Resources Division) Spirit Lake Early Warning Flood Gage. Skamania County, Washington. May 19, 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 Stream gaging, Toutle River. Mount St. Helens, Cowlitz County, Washington. 1981. Index card: USGS/WRD stream gaging, Toutle River near Tower Road. Cowlitz County, Washington. December 5, 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 1 2 3 4 5 ... 7 »