Control of Dutch elm disease and elm phloem necrosis
Series: Leaflet / United States Dept. of Agriculture -- no. 329; Leaflet (United States. Dept. of Agriculture) -- no. 329.
Publisher: United States Dept. of Agriculture, Agricultural Research Administration
Published: 1952
Place of publication: Washington, D.C
Language: eng
Number of pages: 11
Subjects: Dutch elm disease; Elm phloem necrosis
Notes: Cover title.

"June 1952."