01160cam a22003131a 4500 agr37000048 DLC 20260227110955.0 850703s1937 dcuadf b f000 0 eng c agr37000048 (OCoLC)12232056 U.S. Dept. of Agr. Library DSI DSI DNAL DLC premarc SB945.F53 S7 1 Ag84C no.419 F821 K001 Struble, George R., 1904- The fir engraver beetle : a serious enemy of white fir and red fir / by G.R. Struble. Washington, D.C. : U.S. Dept. of Agriculture, 1937. 16 p., 4 p. of plates : ill., charts ; 23 cm. Circular / United States Department of Agriculture ; no. 419 Caption title. Contribution from Bureau of Entomology and Plant Quarantine. Includes bibliographical references. Fir Diseases and pests. Abies magnifica Diseases and pests. Abies concolor Diseases and pests. Circular (United States. Department of Agriculture) ; no. 419. 9763 9763