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USGS staff dig snowpits to evaluate the snow structure.

By Northern Rocky Mountain Science Center 2015 (approx.)
USGS staff dig snowpits to evaluate the snow structure after a wet snow avalanche cycle.
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Detailed Description

USGS staff dig snowpits to evaluate the snow structure after a wet snow avalanche cycle. This helps identify weak layers responsible for wet slab avalanches along the Going-to-the-Sun Road in Glacier National Park.

Sources/Usage

Public Domain.