Do not ship or accept for shipment 5-leafed pines, currant or gooseberry plants to points west of this line
Subtitle: obey the quarantine laws, protect the white pines of the west from the blister-rust disease ...
Publisher: U.S. Dept. of Agriculture
Published: 1921
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Control; Plant quarantine; Blister rust
Notes: "8-4632."

September 1, 1921.