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| Type: |
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| Publisher: | Duluth, Minn. : U.S. Environmental Protection Agency, 1980. |
| OCLC: | 7208800 |
| Related Subjects: | Aquatic ecology -- Congresses. Aquatic ecology -- United States -- Congresses. Aquatic ecology -- Soviet Union -- Congresses. Pollution -- Environmental aspects. |
| Citations: | Cite this Item Export to EndNote Export to RefWorks |
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*Distances, where provided, are approximate and based on postal-code geographic centers
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