77 resultados para river pollution


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Contents. --v. 1. [Hearing at] Sioux City, Iowa, March 23-24, 1959.-- v. 2. [Hearing at] St. Joseph, Missouri, July 27-30, 1959.

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"Held under the provisions of Section 8 of the Federal Water Pollution Control Act"--v. 1, p. 3.

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Prepared for Office of Research and Development, U.S. Environmental Protection Agency under project 18050DMB, program element 1B1021.

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Mode of access: Internet.

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Mode of access: Internet.