Bark beetles threaten California pines
By: compiled by Division of Forest Insect Research
Series: Miscellaneous paper / Pacific Southwest  Forest and Range Experiment Station -- no. 41; Miscellaneous paper (Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)) -- no. 41.
Publisher: Pacific Southwest Forest and Range Experiment Station
Published: 1959
Place of publication: Berkeley, Calif
Language: eng
Subjects: Bark beetles; Pine
Notes: Caption title.

"December 1959."