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Cone and seed insects of western forest trees


Author:
Keen, F. P. (Frederick Paul)
Source:
USDA
Year:
0000
Subject:
Forest insects, Identification, Trees, and Diseases and pests
Format:
vi, 168 p. : ill. ; 23 cm.
Language:
English
Publisher:
U.S. Dept. of Agriculture
Series:
Technical bulletin (United States. Dept. of Agriculture) ; no. 1169
Collection:
USDA publications