West Virginia yellow-poplar lumber defect database
By: Lawrence E. Osborn, Charles J. Gatchell, Curt C. Hassler
Contributors: Gatchell, Charles J., author; Hassler, Curt C. (Curt Charles), 1951- author; Northeastern Forest Experiment Station (Radnor, Pa.); United States. Forest Service
Series: Research paper NE -- 660; Research paper NE (Broomall, Pa. : 1988) -- 660
Publisher: United States Department of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1992
Place of publication: Radnor, Pennsylvania
Language: eng
Number of pages: 10
Subjects: Liriodendron tulipifera; Wood; Discoloration; Lumber; Defects; Databases
Notes: Title from title screen (viewed on July 9, 2013).

"February 1992."

Includes bibliographical references (page 8).