Ashfall area of May l8 eruption of Mount St. Helens at Walupt Lake picnic area, approximately 35 miles northeast of Mount St.
Dates
Date Taken
1980
Summary
Ashfall area of May l8 eruption of Mount St. Helens at Walupt Lake picnic area, approximately 35 miles northeast of Mount St. Helens. Ash deposited on picnic table. Yakima County, Washington. July 16, 1980.
Summary
Ashfall area of May l8 eruption of Mount St. Helens at Walupt Lake picnic area, approximately 35 miles northeast of Mount St. Helens. Ash deposited on picnic table. Yakima County, Washington. July 16, 1980.
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