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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D189-1

Technician Clay Wilkinson operates a GPS-based electromagnetic induction rig used to take geospatial measurements of soil electrical conductivity for monitoring changes in salinity over time.

Photo by Peggy Greb.

640 pixels wide: (d189-1.jpg)

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Last Modified: 5/23/2006
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