@book{9711,
	author = {Mattoon, Wilbur R.},
	title = {Forest trees and forest regions of the United States /},
	publisher = {U.S. Dept. of Agriculture,},
	year = {1936.},
	series = {Miscellaneous publication / United States Department of Agriculture ;},
	address = {Washington, D.C. :},
	note = {Caption title.}
}