971 resultados para Land cover classification
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Cover title.
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"Issued May 1946 ; Slightly rev. Apr. 1948."
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Contribution from Bureau of Agricultural Economics.
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"December 1949."
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"Issued June 1963."
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"October 1946."
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"U.S. Department of Agriculture, Soil Conservation Service."
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"Issued September 1949"--P. 2.
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"September 1971"--P. 21.
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Directed by A. J. Klein, chief, Division of collegiate and professional education, Office of education.
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"R4-Ecol-95-01."
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Shipping list no.: 88-626-P.
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"B-257650"--P. 1.
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"B-260508"--P. [1].
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"Office of the Secretary of the American Association for Agricultural Legislation."