Results of a 20-year test of hybrid poplars in West Virginia
By: by George W. Wendel.
Series: Research paper NE -- 237.
Publisher: Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1972
Place of publication: Upper Darby, Pa
Language: eng
Subjects: Poplar -- West Virginia
Notes: Cover title.

"References:" p. 5.