997 resultados para PD control


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Prepared for the National Commission on Water Quality.

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Reports dated Dec. 31, 1946-Sept. 11, 1947 issued as U.S. Dept. of State. United States and United Nations report series, 8 [etc.]; reports, May 17, 1948- as U.S. Dept. of State. International organization and conference series, III, 7 [etc.]

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Rev. and supplemented list originally published in Sept., 1937.

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Period covered by report ends June 30.

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"Meteorological study sponsored by Air Navigation Development Board under Contract Cwb-8175 with the U.S. Weather Bureau."

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Mode of access: Internet.

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Mode of access: Internet.

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"Interesting books to read" at end of each chapter.

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Mode of access: Internet.

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Mode of access: Internet.

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Hearings held Apr. 2-Aug. 1, 1973, on S. 40, 565, 703, 758, 846, 905, 1030, 1213, 1215, 1392, 1414, 1516, 1541, 1641, 1648, 2049, S. Con. Res. 19, and amendment no. 444 to S. 1541.