Effects of the May 18 mudflows in the vicinity of Mount St. Helens. Cowlitz County, Washington. 1980.
Dates
Date Taken
1980-05-20
Summary
Slide description and index card: Effects of the May 18 mudflows in the vicinity of Mount St. Helens. A, The mudflow in the South Fork Toutle River reached Camp 12 logging camp (27 miles downstream from headwaters on Mount St. Helens) about 1 hour and 40 minutes after the start of the May 18 eruption and left a tangled mass of logs and heavy equipment. Aerial view. Cowlitz County, Washington. May 20, 1980. (Photo by Philip Carpenter). Published as Figure 31-A in U.S. Geological Survey. Professional Paper 1949. 1982.
Summary
Slide description and index card: Effects of the May 18 mudflows in the vicinity of Mount St. Helens. A, The mudflow in the South Fork Toutle River reached Camp 12 logging camp (27 miles downstream from headwaters on Mount St. Helens) about 1 hour and 40 minutes after the start of the May 18 eruption and left a tangled mass of logs and heavy equipment. Aerial view. Cowlitz County, Washington. May 20, 1980. (Photo by Philip Carpenter).
Published as Figure 31-A in U.S. Geological Survey. Professional Paper 1949. 1982.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Superset album, Photos stacks slides collection area.
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