Pyroclastic flow paths on plain south of Spirit Lake. Mount St. Helens, Skamania County, Washington. 1980.
Dates
Date Taken
1980-08-11
Summary
Index card: Pyroclastic flow paths on plain south of Spirit Lake. Terminal lobes of July 22 flow, with younger lobes of August 7 covering. Skamania County, Washington. August 11, 1980.
Summary
Index card: Pyroclastic flow paths on plain south of Spirit Lake. Terminal lobes of July 22 flow, with younger lobes of August 7 covering. Skamania County, Washington. August 11, 1980.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Slide Collection.
Rights
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