957 resultados para 079901 Agricultural Hydrology (Drainage Flooding Irrigation Quality etc)
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"February 1983."
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Cover title.
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Chemical abstracts
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Cover title: 1959 census of agriculture.
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At head of title: U. S. Dept. of agriculture, Bureau of agricultural economics, in cooperation with Mississippi agricultural experiment station.
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Errata slip inserted in v. 1, pt. 34.
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Includes bibliographies.
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"Effective date: October 1, 1990. Supersedes edition effective January 1988 and 1989. This 1992 reprint version includes all previous page changes."
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no. 1. The Conewango Creek, French Creeks, and Brokenstraw Creeks drainage basin.--no. 2. Olean Creek Drainage basin.--no. 3. Allegheny River Drainage basin except Conewango Creek [etc.]
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"August, 1969."
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Chemical abstracts
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no. 1-26, July 1888-April 1891 say New Series.
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Mode of access: Internet.
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Some nos. published in House Document series.
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Description based on: v. 18, no. 4 (Feb. 1903); title from cover.