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USGS Scientists Picking Clams out of San Francisco Bay Bottom Sediment

By Environmental Health Program 2007 (approx.)
USGS scientists picking clams out of San Francisco Bay bottom sediments in box sieves on board the USGS Research Vessel Polaris
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Detailed Description

USGS scientists picking clams out of San Francisco Bay bottom sediments in box sieves on board the USGS Research Vessel Polaris.

Sources/Usage

Public Domain.

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