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United States Department of Agriculture

Agricultural Research Service

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Image Number D544-1

Technician Kermit Price (left) and range scientist James Pfister examine herbarium specimens of seleniferous plants in preparation for field studies to determine why sheep graze high-selenium forages.

Photo by Peggy Greb.

640 pixels wide: (d544-1.jpg)

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Last Modified: 8/12/2016
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