USGS scientist and girls next to a lake, seiving sediment
By Communications and Publishing
2015 (approx.)
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.