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Cover of Summary of Chinch bug control campaign, 1934. [Prepared for Chinch bug conference at Hamilton, Ill., Sept. 5, 1934, by P.N. Annand.].

Summary of Chinch bug control campaign, 1934. [Prepared for Chinch bug conference at Hamilton, Ill., Sept. 5, 1934, by P.N. Annand.].

by United States. Bureau of Entomology and Plant Quarantine

eng

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