Ash collection from east Crater Glacier on Mount St. Helens with a ...

Ash collection from east Crater Glacier on Mount St. Helens with a ...

Detailed Description

Ash collection from east Crater Glacier on Mount St. Helens with a dredge attached to a helicopter cable. Ash is analyzed to help scientists understand eruption characteristics.

Details

Image Dimensions: 2288 x 1712

Date Taken: