Cone and seed insects of western forest trees / F.P. Keen.

Bibliographic Details
Uniform Title:Technical bulletin (United States. Department of Agriculture) ; no. 1169.
Main Author: Keen, F. P. (Frederick Paul), 1890-
Language:English
Published: Washington, D.C. : U.S. Department of Agriculture, 1958.
Series:Technical bulletin (United States. Department of Agriculture) ; no. 1169.
Subjects:
Forest insects > West (U.S.) > Identification.
Trees > Diseases and pests > West (U.S.) > Identification.
Genre:
Identification.
Physical Description:vi, 168 pages : illustrations ; 23 cm.
Format: Government Document Book

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