Ash distribution from Mount St. Helens eruption of May 18, 1980, showing distribution by average depth/thickness. Washington and Oregon. 1980.
Dates
Date Taken
1980
Summary
Slide description and index card: Mount St. Helens. Ash distribution from Mount St. Helens eruption of May 18, 1980, showing distribution by average depth/thickness. Washington and Oregon. 1980.
Summary
Slide description and index card: Mount St. Helens. Ash distribution from Mount St. Helens eruption of May 18, 1980, showing distribution by average depth/thickness. Washington and Oregon. 1980.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Superset album, Photos stacks slides collection area.
Rights
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