Insect enemies of western forests
By: by F.P. Keen.
Edition: Rev. July 1952.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 273; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 273.
Publisher: U.S. Dept. of Agriculture
Published: 1952
Place of publication: Washington, D.C
Language: eng
Number of pages: 280
Subjects: Forest insects -- West (U.S.)
Notes: Originally issued Feb. 1938.

Includes indexes.

Literature cited: p. 246-254.