Aerial view, eastern slope of Mount St. Helens showing Shoestring Glacier. Skamania County, Washington. 1979.
Dates
Date Taken
1979
Summary
Album caption: Aerial view, eastern slope of Mount St. Helens showing Shoestring Glacier. Rock-covered surface of Shoestring Glacier is outlined by a thin dashed line. Swift Glacier can be seen just below left skyline on south slope of volcano. Conspicuous debris layers (angular, unsorted rock debris, about 1 m thick, embedded in ice) on Ape and Nelson Glaciers are shown by white arrows; debris layer on Shoestring Glacier is concealed by surface rock debris. Survey point Marmot is shown with a white X. Approximate crater rim following May 18 eruption is shown by heavy dashed line. Skamania County, Washington. September 29, 1979. (Lines and arrows on published photo only) (Photo by A. Post, photo no. USGS 79 L6-016) Portion published [...]
Summary
Album caption: Aerial view, eastern slope of Mount St. Helens showing Shoestring Glacier. Rock-covered surface of Shoestring Glacier is outlined by a thin dashed line. Swift Glacier can be seen just below left skyline on south slope of volcano. Conspicuous debris layers (angular, unsorted rock debris, about 1 m thick, embedded in ice) on Ape and Nelson Glaciers are shown by white arrows; debris layer on Shoestring Glacier is concealed by surface rock debris. Survey point Marmot is shown with a white X. Approximate crater rim following May 18 eruption is shown by heavy dashed line. Skamania County, Washington. September 29, 1979. (Lines and arrows on published photo only) (Photo by A. Post, photo no. USGS 79 L6-016) Portion published as figure 436 in U.S. Geological Survey. Professional paper 1250. 1981.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Collection.
Rights
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