Investigations of the white-pine blister rust
By: by Perley Spaulding
Series: Bulletin / United States Department of Agriculture -- no. 957; Bulletin of the U.S. Department of Agriculture -- no. 957.
Publisher: U.S. Dept. of Agriculture
Published: 1922
Place of publication: Washington, D.C
Language: eng
Number of pages: 100
Subjects: White pine; Diseases and pests; Blister rust
Notes: Caption title.

"February 6, 1922."

"Professional paper."

Bibliography: p. 90-100.