![Biological oceanography / Environmental science / Aquatic ecology / Diatom / Academy of Natural Sciences of Drexel University / Water pollution / Bioassay / Biology / Water / Planktology Biological oceanography / Environmental science / Aquatic ecology / Diatom / Academy of Natural Sciences of Drexel University / Water pollution / Bioassay / Biology / Water / Planktology](https://www.pdfsearch.io/img/7d0f1c18b93a562112f33a99181681c1.jpg)
| Document Date: 2013-11-17 15:50:38 Open Document File Size: 123,98 KBShare Result on Facebook
City Philadelphia / Victoria / Lancaster / / / Facility E. I. DuPont plant / / Holiday Commonwealth Day / / IndustryTerm news media / food chain / energy / / NaturalFeature Conestoga Creek / Amazon River / Brandywine Creek / Guadalupe River / / Organization Virginia Tech / Academy of Natural Sciences / Limnology Department / / Person Ruth Patrick / John Cairns / Hart / Frank Patrick / / Position museum curator / Author / pharmacologist / first-rate scientist / research investigator / scientist / water chemist and a bacteriologist / Pioneering Environmental Biologist / / ProvinceOrState Texas / Pennsylvania / /
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