Crater and dome view of Mount St.Since Dec. 1980, eruptions of Moun...

Since December 1980, eruptions of Mount St. Helens have added mater...

Detailed Description

Lava dome within Mount St. Helens crater grew between 1980 and 1986 as dacitic lava erupted from the vent. This photograph, taken in September 1984.


Image Dimensions: 3072 x 2048

Date Taken: