939 resultados para conservation on private lands
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"B-226076.2"--P. 1.
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Mode of access: Internet.
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"Serial no. 110-20."
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"October 19, 2005."
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Includes bibliographical references (p. 19).
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"Prepared for the U.S. Department of Labor under research grant J-P-P-6-0209."
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Mode of access: Internet.
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Lynn J. Frazier, chairman.
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pt. 1. March 30, 1936. 38 p.--pt. 2. May 16, 1936. pp. 37-57.
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Mode of access: Internet.
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Spine title: White House Conference on Productivity report.
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"December, 1983."
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4334 items.
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Rev. and supplemented list originally published in Sept., 1937.
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Reprint.