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pl23_fish7938.jpg

Technician at the BCF Ann Arbor Biological Laboratory determines concentrationof pesticides in samples of river and lake water

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Description

Technician at the BCF Ann Arbor Biological Laboratory determines concentrationof pesticides in samples of river and lake water. More study is needed toidentify toxic substances that may be dangerous or lethal to aquatic life andhumans when contaminated food is eaten.

Credit

NOAA Central Library Historical Fisheries Collection; P. 350 of Our Changing Fisheries 1970 Centenary NMFS centenary volume

Display Date

1969 circa

Location

Michigan, Ann Arbor

Collection

Historic Fisheries