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United States Department of Agriculture

Agricultural Research Service

Image Number D1540-2

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 Image Number D1540-2

Soil scientist Ron Follett (right) examines a map of ARS soil carbon research sites across the United States while physical science technician Ed Buenger conducts mass spectrophotometer analysis of soil samples for carbon and nitrogen.


Photo by Stephen Ausmus.

640 pixels wide: (d1540-2.jpg)

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Last Modified: 1/30/2014
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