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Filtering by: Publisher Washington, D. C. : U. S. Department of Agriculture, Bureau of Entomology Subject Western pine beetle -- Control

Some insects injurious to forests. pt. II, The western pine-destroying barkbeetle

Creator:

Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology

Resource Type:

Technical Report

Full Text:

. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY, Washington, D. C., May 28, 1906. SIR: I have the honor to