Douglas-fir tussock moth handbook
Subtitle: how to estimate defoliation and predict tree damage
By: by B. E. Wickman.
Contributors: United States. Dept. of Agriculture.
Series: Agriculture handbook ; no. 550; Agriculture handbook (United States. Dept. of Agriculture) -- no. 550.
Publisher: Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1979
Place of publication: [Washington]
Language: eng
Number of pages: 15
Subjects: Defoliation.; Douglas-fir tussock moth.
Other titles: How to estimate defoliation and predict tree damage.
Notes: Combined forest pest research and development program.

Issued Oct. 1979.

Bibliography: p. 15.