200 resultados para water-supply -- economic aspects -- Mekong River Watershed
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1911-June 1914, 1930-1931 issued with the cooperation of the U.S. Geological Survey
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Mode of access: Internet.
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"Revision of PHS Publication no. 24, Individual water supply systems [by the Joint Committee on Rural Sanitation] issued in 1950."
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Mode of access: Internet.
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Report covers fiscal year
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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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Includes bibliographies.
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Mode of access: Internet.
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At head of cover title: Northeastern United States Water Supply Study.
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Mode of access: Internet.
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Cover title.
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"Critical Trends Assessment Program."--Cover.
Sacramento River water pollution survey : Appendix A: Hydrography, hydrology, and water utilization.
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Mode of access: Internet.