Protect your pines from bark beetles
By: by H. Eugene Ostmark and Calvin L. Massey
Contributors: Massey, C. L.; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Station paper / Rocky Mountain Forest and Range Experiment Station -- no. 52; Station paper (Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)) -- no. 52.
Publisher: U.S. Dept. of Agriculture, Forest Service
Published: 1960
Place of publication: Washington, D.C
Language: eng
Number of pages: 19
Subjects: Control; Bark beetles; Pine; Diseases and pests
Notes: "October 1960."--P. [4] of cover.

Cover title.