Poplars, principal tree willows and walnuts of the Rocky Mountain region /

Bibliographic Details
Main Author:	Sudworth, George B. (George Bishop), 1864-1927
Corporate Author:	United States. Department of Agriculture
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Dept. of Agriculture, 1934.
Series:	Technical bulletin (United States. Department of Agriculture) ; no. 420.
Subjects:	Willows > Rocky Mountains > Classification. Walnut > Rocky Mountains > Classification. Poplar > Rocky Mountains > Classification. Poplar. Walnut. Willows. Rocky Mountains Region. Classification.

Description
Item Description:	Cover title.
Physical Description:	112 pages : illustrations, maps ; 23 cm.
Bibliography:	Includes bibliographical references (pages 105-111).