Pocket guide to the improved grading system for ponderosa pine and sugar pine saw logs in trees.

Bibliographic Details
Corporate Authors:	Pacific Northwest Forest and Range Experiment Station (Portland, Or.), United States. Forest Service
Format:	Government Document Book
Language:	English
Published:	Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1969.
Edition:	1969 ed.
Subjects:	Ponderosa pine > Grading. Sugar pine > Grading.

Evans: US Documents (Annex 5th floor)