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USGS scientist and girls next to a lake, seiving sediment

By Communications and Publishing 2015 (approx.)
Woman and girls next to a lake, seiving sediment
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Detailed Description

 Led by USGS scientist Cynthia Gardner, GeoGirls collect and sort sediments from the shore of Coldwater Lake, near Mount St. Helens, examining evidence of the May 18, 1980 landslide that dammed Coldwater Creek to create the lake.

Sources/Usage

Public Domain.