25 resultados para river diatom index

em University of Michigan


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Mode of access: Internet.

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Includes index.

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Spine title: Diversion of Sudbury River by the City of Boston.

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"Submitted pursuant to 42 U.S.C. 4332(2)(c) by the U. S. Department of Transportation Federal Highway Administration and the Illinois and Missouri Departments of Transportation."--Prelim. page.