Key to important woody plants of eastern Oregon and Washington
Hayes, Doris W.
Key to important woody plants of eastern Oregon and Washington by Doris W. Hayes and George A. Garrison. - Washington U.S. Govt. Print. Off. 1960. - 227 p. illus. - United States. Forest Service. Agricultural handbook no. 148 .
Includes bibliography.
Woody plants--Oregon.
Woody plants--Washington (State)
Key to important woody plants of eastern Oregon and Washington by Doris W. Hayes and George A. Garrison. - Washington U.S. Govt. Print. Off. 1960. - 227 p. illus. - United States. Forest Service. Agricultural handbook no. 148 .
Includes bibliography.
Woody plants--Oregon.
Woody plants--Washington (State)