30 resultados para Aerial spraying and dusting in forestry.
em University of Michigan
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Mode of access: Internet.
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"GPO 990-424"--P. [4] of cover.
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Mode of access: Internet.
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"Agricultural Research Service...in cooperation with College of Agriculture, Washington State University and under contract with Pacific Northwest Laboratories, Battelle Memorial Institute."
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Mimeographed.
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Cover title.
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Mode of access: Internet.
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Reprinted, in part, from various journals.
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Cover title.
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"3400"--P. [1].
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Mode of access: Internet.
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"By Charles Lathrop Pack."
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Mode of access: Internet.
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On spine: UNKRA Agriculture, forestry, and fisheries in South Korea.
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Originally issued July 1935.