Upper Midwest Environmental Sciences Center
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USGS scientist Pete Boma and Jennifer Cavanaugh retrieve ice core to obtain sediment samples for the nitrogen project.: Full resolution
Photo by Bill Richardson, USGS, UMESC, 2002
Usage: This image is public domain/of free use. Please refer to the USGS Copyright section for more details.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://umesc.usgs.gov/images/photos/outdoor_work3.html
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Page Last Modified:
March 7, 2011