Photographic guide of selected external defect indicators and associated internal defects in yellow-poplar
By: Everette D. Rast, John A. Beaton, David L. Sonderman
Contributors: Beaton, John A; Sonderman, David L; Northeastern Forest Experiment Station (Radnor, Pa.)
Series: Research paper NE -- 646; Research paper NE (Broomall, Pa. : 1988) -- 646
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1991
Place of publication: [Radnor, PA]
Language: eng
Number of pages: 29
Subjects: Liriodendron tulipifera -- Ohio -- Pictorial works
Notes: Shipping list no.: 91-412-P

"May 1991"--T.p. verso

Includes bibliographical references (p. 29)