How to predict lumber-grade yields for graded trees
By: by Leland F. Hanks.
Contributors: Northeastern Forest Experiment Station (Radnor, Pa.)
Series: USDA Forest Service general technical report NE ; 20; USDA Forest Service general technical report NE -- 20.
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1976
Place of publication: Upper Darby, Pa
Language: eng
Subjects: Lumber -- Grading.; Trees -- United States -- Grading.
Notes: Cover title.

Includes appendix..

Bibliography: p. 8.