00736cam a22002171 4500 agr38000461 DLC 20260227110957.0 941017s1938 dcua f000 0 eng c agr38000461 (OCoLC)31301411 U.S. Dept. of agr. Library NNC-M DLC SB593.S4 D6 Dove, Walter E., 1894- Screwworm control [By W.E. Dove ... Washington, U.S. Govt. print. off., 1938] 1 p. l., 6 p. illus. 23 cm. U.S. Dept. of agriculture. Leaflet no. 162 Contribution from Bureau of entomology and plant quarantine. Leaflet (United States. Department of Agriculture) ; no. 162. 9881 9881