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Collecting zooplankton in Wrangell St. Elias National Park

Detailed Description

Sarah Laske (USGS - ASC) collects zooplankton from a lake using a plankton net in Wrangell St. Elias National Park as part of a study examining mercury in lake food webs. Sam Graf (NPS - LACL) angles. 

Sources/Usage

Public Domain.

Photo taken by Ashley Stanek, U.S. Geological Survey

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