00773cam a2200241 4500 agr68000255 DLC 20260227111031.0 690916s1968 dcua 000 0 eng c agr68000255 U.S. Nat'l. Agr. Libr. DLC DLC S21 .A483 no. 523 1 Ag84L no. 523 1968 Hodgson, Jesse M., 1912- Canada thistle and its control [by Jesse M. Hodgson. Rev. Washington, U.S. Govt.Print. Off., 1968] 7 p. illus. 23 cm. United States. Dept. of Agriculture. Leaflet ; no. 523 Canada thistle. Cirsium arvense. Leaflet (United States. Department of Agriculture) ; no. 523. 12550 12550