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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K7689-1

Soil core samples withdrawn from a field near Fort Collins, Colorado, by technician Mike Murphy (left) and soil scientist Laj Ahuja will yield information on soil horizons and their physical and chemical properties for the Root Zone Water Quality Model.

Photo by Scott Bauer.



640 pixels wide: (k7689-1.jpg)




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Last Modified: 5/23/2006