365 resultados para water pollution control
em University of Michigan
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Contract no. 68-01-2821.
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Mode of access: Internet.
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Prepared for Office of Research and Development, U.S. Environmental Protection Agency under contract 68-01-0729, program element 1H1093.
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Mode of access: Internet.
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Also in Congressional serial volume 11368.
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Cover title.
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Cover title: The Finger Lakes drainage basin: official classifications.
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Includes bibliographies.
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Mode of access: Internet.
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Mode of access: Internet.
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Part has also special subtitle.
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Mode of access: Internet.
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Mode of access: Internet.
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Cover title.
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Description based on: federal fiscal year 1978.