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United States Department of Agriculture

Agricultural Research Service

Image Number D2104-1

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Image Number D2104-1

Ecologist David Augustine (left) and technician Reanna Moore collect forage samples from a black-tailed prairie dog colony in eastern Colorado in a study of grazing competition between prairie dogs and cattle.


Photo by Peggy Greb.

640 pixels wide: (d2104-1.jpg)

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Last Modified: 3/1/2011