Estimating decay in west-side Douglas-fir
By: by T.W. Childs. --
Publisher: Pacific Northwest Forest and Range Experiment Station, USDA, Forest Service
Published: 1959
Place of publication: [Portland, Or.?]
Language: eng
Subjects: Douglas fir; Diseases and pests
Notes: Cover title.

"December 1959."

Bibliography: p. 8.