Plant quarantines protect against alien plant pests
Series: Picture story -- no. 98; Picture story (United States. Department of Agriculture) -- no. 98.
Publisher: U.S. Dept. of Agriculture, Office of Information
Published: 1956
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Plant quarantine; Protection of Plants
Notes: Caption title.

"July 1956."