Cottonwood (Populus species)
By: J. S. McKnight.
Contributors: United States. Forest Service
Series: American woods -- FS-231; American wood -- FS-231.
Publisher: Forest Service, U.S. Dept. of Agriculture; [Supt. of Docs., U.S. G.P.O., distributor]
Published: 1971
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Cottonwood.
Notes: Caption title.

"February 1971."

Bibliography: p. 8.