May 18, 1980: Mount St. Helens erupts

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34th Anniversary: Mount St. Helens eruption
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  • 34th Anniversary: Mount St. Helens eruption
  • 34th Anniversary: Mount St. Helens eruption
  • 34th Anniversary: Mount St. Helens eruption
  • 34th Anniversary: Mount St. Helens eruption
  • 34th Anniversary: Mount St. Helens eruption
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34th Anniversary: Mount St. Helens eruption
Weyerhaeuser Company employee bus heavily damaged by May 18 eruption of Mount St. Helens and partially buried by mudflow on the North Fork Toutle River near Camp Baker. Bus was unoccupied when hit by the mudflow. Cowlitz County, Washington. 1980. Figure 409, U.S. Geological Survey Professional paper 1250. (Courtesy USGS)