823 resultados para United States. Department of Agriculture.
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Description based on: June 30, 1920.
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November 15, 1899, "Extract from the "Official register of the United States" of July 1, 1899, corrected to November 15, 1899 as to the offices in Washington, D. C., and all residential appointments."
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"Contract no. V101(93)P-1203; Task order no. 2."
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United States Department of Agriculture, Bureau of Chemistry and Soils in cooperation with the University of California Agricultural Experiment Station.
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Mode of access: Internet.
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Mode of access: Internet.
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United States Department of Agriculture in cooperation with the University of California Agricultural Experiment Station.
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United States Department of Agriculture, Bureau of Chemistry and Soils in cooperatio with the University of California Agricultural Experiment Station.
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R. Earl Stories, in charge, and Bruce C. Owen, University of California, and E.J. Carpenter, M.H. Layton and W.J. Leighty, Soil Survey Division, Bureau of Chemistry and Soils, United States Department of Agriculture.
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Supplied title. The pamphlets are mainly reprints of papers which originally appeared between 1910 and 1913 in various publications of the U.S. Dept of Agriculture and in the Proceedings of the Biological Society of Washington.