Forest trees and forest regions of the United States /
by Wilbur R. Mattoon.
- Washington, D.C. : U.S. Dept. of Agriculture, 1936.
- 55 p., 14 p. of plates : ill., maps ; 23 cm.
- Miscellaneous publication / United States Department of Agriculture ; no. 217 .
- Miscellaneous publication (United States. Department of Agriculture) ; no. 217. .
Caption title. Contribution from Forest Service.
"Publications on forest trees": p. 52-53.
agr36000108
Forests and forestry--United States. Trees--Classification.--United States