Guideliness for log grading coast douglas-fir
Lane, P.H., Woodfin, R.O.
Guideliness for log grading coast douglas-fir - Oregon 1977 - 1-14 p. - United States Department of Agriculture, Forest Service Research Paper PNW-218 .
Guideliness for log grading coast douglas-fir - Oregon 1977 - 1-14 p. - United States Department of Agriculture, Forest Service Research Paper PNW-218 .