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A USGS research vessel uses DIDSON sonar imaging

By Columbia Environmental Research Center
A USGS research vessel uses DIDSON sonar imaging on the Yellowstone River to document pallid sturgeon spawning activities
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Detailed Description

A USGS research vessel uses DIDSON sonar imaging on the Yellowstone River to document pallid sturgeon spawning activities on June 27, 2014.

Sources/Usage

Public Domain.