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United States Department of Agriculture

Agricultural Research Service

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Image Number D1877-1

Chemists Cathleen Hapeman (left) and Laura McConnell use air and rain sample collection devices to study the fate of atmospheric pollutants in the Chesapeake Bay region.


Photo by Peggy Greb.

640 pixels wide: (d1877-1.jpg)

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Last Modified: 8/13/2016
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