Douglas fir use book :
structural data and design tables.

APA Citation

West Coast Lumbermen's Association. (1958). Douglas fir use book: structural data and design tables. Portland, Oregon: The Association.

MLA Citation

West Coast Lumbermen's Association. Douglas Fir Use Book: Structural Data And Design Tables. Portland, Oregon: The Association, 1958.

Warning: These citations may not always be complete (especially for serials).