How to estimate defect in grand fir in the Blue Mountains of Oregon & Washington
By: by Paul Aho & Jim Hadfield.
Contributors: Hadfield, James S.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.).; United States. Forest Service.
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1975
Place of publication: [Portland, Or
Language: eng
Number of pages: 10
Subjects: Fir -- Defects.
Notes: Cover title.