Laminated root rot of Douglas-fir in western Oregon and Washington
By: by T. W. Childs.
Series: USDA Forest Service research paper PNW ;; 102
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1970
Place of publication: Portland, Or
Language: eng
Number of pages: 27
Subjects: Douglas fir -- Diseases and pests -- Oregon.; Douglas fir -- Diseases and pests -- Washington (State), Western.; Root rots.
Notes: Bibliography: p. 26-27.
Cover title.