114 resultados para Hydrobiology and pollution


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"Held ... under the sponsorship of the Division of Water Supply and Pollution Control and the Robert A. Taft Sanitary Engineering Center."

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"Compiled from basic data files of the Connecticut Water Resources Commission."

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Supported by Division of Water Supply and Pollution Control U.S. Public Health Service Research Project WP-138.

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"Supported by Division of Water Supply and Pollution Control U. S. Public Health Service Research Project WP-00047"

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Vita.

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