816 resultados para United States. Federal Extension Service.
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Mode of access: Internet.
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Description based on: 1971.
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Bibliography: p. 20-21.
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Literature cited: p. 29-30.
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Mode of access: Internet.
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Cover title.
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"Issued May 1964."
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"In cooperation with Committee on Sedimentation Water Resources Council."
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"Prepared for publication by the Agricultural Research Service, Dept. of Agriculture, under the auspices of the Sedimentation Committee, Water Resources Council, acting in behalf of the following participating agencies: Dept. of Agriculture ... [et al.]."
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Issued Mar. 1978.
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Title from cover.
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"March 23, 1988"--Pt. 2.
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"September 13, 1988" -- pt.2.
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"In cooperation with state Agricultural Experiment Stations."
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Bibliography: p. 8-10.