945 resultados para United States. Agricultural Conservation Program.


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Pt. 2 held by the Committee under its later name: Committee on Commerce, Science, and Transportation

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"Issued June 1968."

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Mode of access: Internet.

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Bibliography: p. 8-9.

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Issued Jan. 1980.

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Prepared in cooperation with State agricultural experiment stations.

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"Prepared by Science and Education Administration."

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Prepared in cooperation with state agricultural experiment stations.

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"Slightly revised September 1969"--P. 15.