24 resultados para Phosphorus and quality
em University of Michigan
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Three folded maps in pocket.
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Issued Oct. 1977.
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Issued Oct. 1977.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Bibliography: p. 106-113.
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Issued July 1978.
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"References": p. 295-297.
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Thesis (M.S.)--University of California, Berkeley, 1922.
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"Grant no. R806156."
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Includes bibliographical references (p. 48-49).
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Mode of access: Internet.
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The purpose of the report is to evaluate baseline loadings of nutrients and sediment to the Mississippi River and the Ohio River from the state of Illinois and to identify the sources of those loads; also evaluated are baseline loadings of nutrients and sediments to the Illinois River from its tributaries.
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Effective July 21, 1977.