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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K9997-1

Scientists work together to conduct a rainfall-simulation test to measure bacteria levels in runoff water. From left to right are Reza Roodsari, Ali Sadeghi, Kerry Sefton, Adel Shirmohammadi, and Dan Shelton.

Photo by Stephen Ausmus.

640 pixels wide: (k9997-1.jpg)

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Last Modified: 5/23/2006
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