Mortality of white fir following defoliation by the Douglas-fir tussock moth in California, 1957
By: Boyd E. Wickman
Contributors: California Forest and Range Experiment Station
Series: Research note / California Forest and Range Experiment Station -- no. 137; Research note (California Forest and Range Experiment Station) -- no. 137.
Publisher: California Forest and Range Experiment Station
Published: 1958
Place of publication: Berkeley, Calif
Language: eng
Subjects: Diseases and pests; Abies concolor; Douglas fir tussock moth; Defoliation
Notes: Caption title.

"April 1958."