Seed production of western white pine
By: by Raphael Zon
Series: Bulletin of the U.S. Department of Agriculture -- no. 210; Bulletin of the U.S. Department of Agriculture -- no. 210.
Publisher: U.S. Dept. of Agriculture
Published: 1915
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Western white pine
Notes: Caption title.

Contribution from the Forest Service.

"Professional paper."