1974 cooperative Douglas-fir tussock moth control project
An edition of 1974 cooperative Douglas-fir tussock moth control project (1975)
Oregon, Washington, Idaho
By David A. Graham
Publish Date
1975
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Region
Language
eng
Pages
74
Description:
subjects: Control, Douglas fir tussock moth, Douglas-fir tussock moth