Dusty Creek drainage experiences regular lahars. Gamma Ridge Format...
By Volcano Hazards Program
1905 (approx.)
Detailed Description
Non-volcanic peaks of the North Cascades lie in the background. Dusty Creek drainage experiences regular lahars. Gamma Ridge Formation are hydrothermally altered rocks on left ridge. Loose pyroclastic fill deposits cap right ridge; Eastern view, Glacier Peak, Washington.
Sources/Usage
Public Domain.