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Index card: Another view of the debris in the North Fork Toutle River valley. Note blast material slumping into gullies gouged by the mudflows. Cowlitz County, Washington. August 22, 1980. (Photo by Lyn Topinka, USGS/CVO).
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: CVO-A Cascades Volcano Observatory Collection,
Cascades Volcano Observatory Collection,
Cowlitz County, Washington,
MSH-Topinka, L.J. Collection,
Mount St. Helens Collection, All tags...
Photographers,
Volcanoes,
color transparency (slides), Fewer tags
Index card: Another nearer view of the debris in the North Fork Toutle River valley. Note blast material slumping into gullies gouged by the mudflows. Cowlitz County, Washington. August 22, 1980. (Photo by Lyn Topinka, USGS/CVO).
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: CVO-A Cascades Volcano Observatory Collection,
Cascades Volcano Observatory Collection,
Cowlitz County, Washington,
MSH-Topinka, L.J. Collection,
Mount St. Helens Collection, All tags...
Photographers,
Volcanoes,
color transparency (slides), Fewer tags
Index card: Oblique aerial view of hummocks at the toe of the avalanche material near Camp Baker and Corps of Engineers retention dam 16 miles downstream from Mount St. Helens. Note truck in foreground for scale. Avalanche depth 100 feet. Cowlitz County, Washington. August 1980. (Photo by Lyn Topinka, USGS/CVO).
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: CVO-A Cascades Volcano Observatory Collection,
Cascades Volcano Observatory Collection,
Cowlitz County, Washington,
MSH-Topinka, L.J. Collection,
Mount St. Helens Collection, All tags...
Photographers,
Volcanoes,
aerial,
color transparency (slides), Fewer tags
Index card: Mounds of soft clay-like material on debris pile - very dense. Skamania or Cowlitz County, Washington. August 22, 1980. (Photo by Lyn Topinka, USGS/CVO).
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: CVO-A Cascades Volcano Observatory Collection,
Cascades Volcano Observatory Collection,
MSH-Topinka, L.J. Collection,
Mount St. Helens Collection,
Photographers, All tags...
Volcanoes,
Washington (WA),
color transparency (slides), Fewer tags
Index card: Mud deposits on the overbank of the Cowlitz River. Driveway dug out to house in background. Cowlitz County, Washington. July 1980. (Photo by Lyn Topinka, USGS/CVO).
Categories: Image;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: CVO-A Cascades Volcano Observatory Collection,
Cascades Volcano Observatory Collection,
Cowlitz County, Washington,
MSH-Topinka, L.J. Collection,
Mount St. Helens Collection, All tags...
Photographers,
Volcanoes,
color transparency (slides), Fewer tags
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