00775cam a22002291 4500 agr38000286 DLC 20260227110956.0 771109s1938 dcu 000 0 eng c agr38000286 (OCoLC)3404461 U.S. Dept. of Agr. Library NcGU NcGU OCoLC DLC premarc HE5614 .U65 1938 United States. Bureau of Public Roads. Highway accidents; their causes and recommendations for their prevention. Washington, U.S. Govt. Print. Off., 1938. ii, 38 p. 23 cm. At head of title: United States Department of Agriculture. Bureau of Public Roads. Traffic accidents. Accidents Prevention. 9860 9860