986 resultados para river pollution
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At head of title: U. S. Department of Health, Education, and Welfare.
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Bibliography: leaf 163.
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Cover title.
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Mode of access: Internet.
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"Federal Water Pollution Control Administration, Kansas City, Missouri."
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Mode of access: Internet.
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"Supplement. 2d session, Reconvened, Aug. 26, 1969."
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Mode of access: Internet.
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Mode of access: Internet.
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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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Mode of access: Internet.
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Cover title: Progress evaluation meeting in the matter of pollution of the interstate waters of the Grand Calumet River...
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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.