Debris avalanche in valley of the North Fork Toutle River. Washington. 1980.
Dates
Date Taken
1980
Summary
Album caption: Debris avalanche in the valley of the North Fork Toutle River, southwestern Washington. View east from near the distal margin of the avalanche toward the devastated cone of Mount St. Helens, which is partially obscured by clouds in the left background. 1980. (Photo by A. Post) Published as figure 3 in U.S. Geological Survey. Yearbook. 1980. Index card unavailable.
Summary
Album caption: Debris avalanche in the valley of the North Fork Toutle River, southwestern Washington. View east from near the distal margin of the avalanche toward the devastated cone of Mount St. Helens, which is partially obscured by clouds in the left background. 1980. (Photo by A. Post) Published as figure 3 in U.S. Geological Survey. Yearbook. 1980.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Collection.
Rights
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