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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D013-1

In Lincoln, Nebraska, visiting entomologist Roger Leopold (from Fargo) places screwworm embryos in a liquid-nitrogen storage unit to be transported to the germplasm unit in Fort Collins, Colorado.

Photo by Scott Bauer.

640 pixels wide: (D013-1.jpg)

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Last Modified: 5/23/2006
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