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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D632-1

ARS soil scientist Greg McCarty, University of Maryland support scientist Anne Gustafson (center), and ARS chemist Cathleen Hapeman use an Acoustic Doppler Channel Profiler to assess water velocity and channel geometry of a Choptank Watershed stream.


Photo by Peggy Greb.

640 pixels wide: (d632-1.jpg)

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Last Modified: 10/31/2006