Insect enemies of California pines and their control
By: by F.P. Keen.
Series: Bulletin / California. Dept. of Natural Resources. Division of Forestry -- no. 7; Bulletin (California. Division of forestry) -- no. 7.
Publisher: California Dept. of Natural Resources, Division of Forestry
Published: 1928
Place of publication: Sacramento
Language: eng
Number of pages: 113
Subjects: Pine -- Diseases and pests; Forest insects -- California; Insect pests -- Control -- California
Notes: Includes index.

Bibliography: p. 94.