923 resultados para water pollution control
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Mode of access: Internet.
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Includes bibliographies.
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Includes bibliographies.
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Includes bibliographies.
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"Grant nos. R804286 & S803325."
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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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Supported by Division of Water Supply and Pollution Control U.S. Public Health Service Research Project WP-138.
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Vita.
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Mode of access: Internet.
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Bibliography: leaves 49-50.
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Bibliography: p. 467-548.
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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.