Outbreaks of the Dutch elm disease in the United States
By: by Curtis May
Series: Circular / United States Department of Agriculture -- no. 322; Circular (United States. Dept. of Agriculture) -- no. 322.
Publisher: U.S. Dept. of Agriculture
Published: 1934
Place of publication: Washington, D.C
Language: eng
Number of pages: 19
Subjects: Elm; Diseases and pests; Dutch elm disease
Notes: Contribution from Bureau of Plant Industry.

Supersedes Circular no. 170, the Dutch elm disease.