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United States Department of Agriculture

Agricultural Research Service


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Soil microbiologist checks a computer map that shows the location of various biological groupings across the Columbia Plateau

Image Number K7126-1

Soil microbes can be used to trace dust to its source. Here soil microbiologist Ann Kennedy checks a computer map that shows the location of various biological groupings across the Columbia Plateau in Washington State.

Photo by Jack Dykinga



640 pixels wide: (k7126-1.jpg)




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Last Modified: 8/13/2016
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