Selecting superior yellow birch trees
By: Knud E. Clausen, Richard M. Godman.
Contributors: Godman, Richard M.
Series: U.S. Forest Service research paper NC -- 20.
Publisher: North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1967
Place of publication: [Saint Paul, Minn.]
Language: eng
Number of pages: 10
Subjects: Birch -- Selection.
Notes: Cover title.

Also issued online.