Tree grade distribution in Allegheny hardwoods /

Bibliographic Details
Main Author:	Ernst, Richard L.
Corporate Authors:	United States. Forest Service, Northeastern Forest Experiment Station (Radnor, Pa.)
Other Authors:	Marquis, David A.
Format:	Government Document Book
Language:	English
Published:	Broomall, Pa. : Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1979.
Series:	USDA Forest Service research note NE ; 275.
Subjects:	Hardwoods > Pennsylvania. Trees > Grading > Pennsylvania.

Description
Physical Description:	5 pages : illustrations ; 27 cm.
Bibliography:	Bibliography: page 5.