Decay of Engelmann spruce in the Blue Mountains of Oregon and Washington
By: Paul E. Aho.
Series: USDA Forest Service research paper PNW -- 116.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1971
Place of publication: Portland, Or
Language: eng
Number of pages: 16
Subjects: Engelmann spruce -- Diseases and pests -- Blue Mountains (Or. and Wash.); Wood-decaying fungi.
Notes: Cover title.

Bibliography: p. 16.