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United States Department of Agriculture

Agricultural Research Service

Image Number D1955-2

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Image Number D1955-2

At the Conservation Fund’s Freshwater Institute in Shepherdstown, West Virginia, ARS engineering technician Clayton Birkett (left) and Steven Summerfelt of the Freshwater Institute collect water from a tank used to study Atlantic salmon growth and test the sample for dissolved oxygen concentration.


Photo by Peggy Greb.

640 pixels wide: (d1955-2.jpg)

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Last Modified: 9/28/2010
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