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United States Department of Agriculture

Agricultural Research Service

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Image Number K10513-9

Agricultural engineers Greg Holt (left) and Michael Buser change filters from PM10 (foreground) and TSP samplers and collect meteorology data while sampling dust generated by a rolling cultivator (background).

Photo by Stephen Ausmus.

640 pixels wide: (k10513-9.jpg)

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Last Modified: 8/13/2016
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