This report is a photographic guide to the application of the new four-grade system for cruising Coast Douglas-fir. It is intended as both a training aid and illustration of features that lower grades.
Guidelines for Log Grading Coast Douglas-Fir
1977
19 pages
Report
Keine Angabe
Englisch
Forestry , Standards , Fir trees , Photographs , Wood , Defects , Quality , Pseudotsuga menziesii , Timber cruising
Douglas. Douglas Ambassador monoplane
Engineering Index Backfile | 1928
Douglas. Douglas Ambassador monoplane
Engineering Index Backfile | 1928
Douglas. Douglas Ambassador monoplane
Engineering Index Backfile | 1928
Use of Douglas fir an important factor in rapid development of pacific coast ports
Engineering Index Backfile | 1931
|Engineering Index Backfile | 1951