What caused "blight" on christmas trees in the northern Rockies in 1947?
By: by Arthur L. Rose
Series: Research note / Northern Rocky Mountain Forest & Range Experiment Station -- no. 65; Research note (Northern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)) -- no. 65.
Publisher: Northern Rocky Mountain Forest & Range Experiment Station
Published: 1948
Place of publication: Missoula, Mont
Language: eng
Subjects: Christmas trees; Diseases and pests
Notes: Caption title.

"July 1948."