Ash from Mount St. Helens eruption on May 18, 1980 collected 39 km ...

Ash from Mount St. Helens eruption on May 18, 1980 collected 39 km ...

Detailed Description

Ash from Mount St. Helens eruption on May 18, 1980 collected 39 km (24 mi) downwind, in Randle, Washington.

Details

Image Dimensions: 800 x 500