Impact of Douglas-fir tussock moth
Subtitle: color aerial photography evaluates mortality
By: Steven L. Wert, Boyd E. Wickman.
Contributors: Wickman, Boyd E., joint author.
Series: U.S.D.A. Forest Service research paper PSW ; 60; USDA Forest Service research paper PSW ;; 60.
Publisher: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1970
Place of publication: Berkeley, Calif
Language: eng
Subjects: Douglas fir -- Diseases and pests -- California.; Douglas fir tussock moth.; Aerial photography in forestry.
Notes: Bibliography: p. 6.
Cover title.