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United States Department of Agriculture

Agricultural Research Service

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Image Number D235-2

Oregon State University faculty research assistant bird watcher Douglas Bilsland (left) and ARS agronomist George Mueller-Warrant look for field areas with contrasting tree densities to identify the best places for bird surveys in the Calapooia River Watershed.

Photo by Peggy Greb.

640 pixels wide: (d235-2.jpg)

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Last Modified: 8/12/2016
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