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Seim, Wayne K.
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Current results range from 1997 to 2002
Current results range from 1996 to 2002
- Fish communities -- Oregon -- Willamette River Watershed1
- Fishes -- Effect of metals on -- Peru -- Madre de Dios (Dept.)1
- Fishes -- Mercury content -- Peru -- Madre de Dios (Dept.)1
- Gold mines and mining -- Environmental aspects -- Peru -- Madre de Dios (Dept.)1
- Mercury -- Environmental aspects -- Peru -- Madre de Dios (Dept.)1
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