http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Standard grading and dressing rules for Douglas fir, West Coast hemlock, Sitka spruce, Western red cedar lumber
(Sitka spruce rules will apply on orders for White fir.) : number 15
Grading and dressing rules for Douglas fir, West Coast hemlock, Sitka spruce, Western red cedar lumber
"Effective March 15, 1956; superseding, cancelling, and annulling all previous rules of the West Coast Lumber Inspection Bureau; approved by the Executive Committee of the West Coast Lumber Inspection Bureau, January 1, 1956; American Lumber Standard Szes and Grades."
"Approved by the Board of Review of the American Lumber Standards Committee"--Cover.
Supplement I and II, dated June 1, 1956, tipped in.