Canada thistle and its control
By: [by Jesse M. Hodgson]
Series: United States. Dept. of Agriculture. Leaflet -- no. 523; Leaflet (United States. Dept. of Agriculture) -- no. 523.
Publisher: U.S. Dept. of Agriculture
Published: 1963
Place of publication: Washington, D.C
Language: eng
Subjects: Canada thistle; Control
Notes: Cover title.

"Issued Nov. 1963"--P. 8.