Traveling? Don't spread plant pests
Contributors: United States. Agricultural Research Service
Series: Program aid -- no. 951; Program aid (United States. Department of Agriculture) -- no. 951.
Publisher: U.S. Dept. of Agriculture
Published: 1970
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Plant quarantine
Notes: "Issued May 1970."