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United States Department of Agriculture

Agricultural Research Service

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Image Number D634-1

Along the Choptank River, boat captain A.K. Leight (right) (NOAA National Ocean Service, Cooperative Oxford Laboratory) tests water quality at various depths while ARS research associate Dean Hively collects water samples for nitrogen and phosphorus analysis.


Photo by Peggy Greb.

640 pixels wide: (d634-1.jpg)

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Last Modified: 8/13/2016
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