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Photo 10 - Taking benthic sample

This image above shows Dr. Matthew C. Perry and Edward J.R. Lohnes collecting material from the sieved benthic sample, on the Restigouche River, New Brunswick, Canada.

This image above shows Dr. Matthew C. Perry and Edward J.R. Lohnes collecting material from a sieved benthic sample, on the Restigouche River, New Brunswick, Canada.
Photo Credit: Dr. Glenn Olsen, USGS - Patuxent Wildlife Research Center 2003
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