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Image Number D1320-1

Junior Cesar Avanzi, visiting scientist from the Federal University of Lavras, Brazil, collects sediment to assess the level of erosion control from the use of gypsum-polyacrylamide (PAM) pellets. In the background, Darrell Norton controls the rainfall simulator.


Photo by Peggy Greb.

640 pixels wide: (d1320-1.jpg)

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