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NOAA Photo Library Image - fizh1773

Dr. M. M. Ellis, in charge of Interior Fisheries Investigations, making careful physiological measurements, has helped show why waters polluted with industrial or municipal wastes kill fish, and have established minimum concentrations which are lethal to aquatic life.

Image ID: fizh1773, NOAA's Historic Fisheries Collection
Credit: NOAA Central Library Historical Fisheries Collection

High Resolution Photo Available





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Last Updated:
April 30, 2013