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4 résultats pour : collecting water samples

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USGS Collects Sediments Samples at Pascagoula Beach in Mississippi ca. October 2010
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USGS Collects Sediments Samples at Pascagoula Beac...

USGS hydrologist collecting a water quality sample from a NY stream ca. June 2010
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USGS hydrologist collecting a water quality sample...

USGS worker collecting water samples at Sand Harbor, Lake Tahoe ca. 2010
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USGS worker collecting water samples at Sand Harbo...

Navy divers from the Atlantic Fleet Audiovisual Command
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Navy divers from the Atlantic Fleet Audiovisual Co...