00829cam a2200253 4500 agr68000054 DLC 20260227111028.0 691105s1967 dcua b 000 0 eng c agr68000054 U.S. Nat'l. Agr. Libr. DLC DLC A423.9 F764 no. 2 1967 Struble, George R., 1904- The mountain pine beetle, by George R. Struble and Philip C. Johnson. Rev. [Washington, U.S. Govt. Print. Off.] 1967. 4 p. illus. 24 cm. United States. Forest Service. Forest pest leaflet 2 Caption title. Bibliography: p. 4. Mountain pine beetle. Dendroctonus ponderosae. Johnson, Philip C. (Philip Cornwell), 1907-1990. 12368 12368