01070cam a22002651 4500 l 49000026 DLC 20260227111541.0 910913s1949 dcu f000 0 eng c l 49000026 (OCoLC)24369719 U.S. Dept. of Labor. Library CLU CLU DLC premarc HD8051 .A62 no. 949 331.823 McElroy, Frank S. (Frank Shafer) Injuries and accident causes in fertilizer manufacturing [a detailed analysis of hazards and injury-frequency rates in 1946 by region, plant-size, and department, by Frank S. McElroy and George R. McCormack] Washington, D.C., U.S. Govt. Print. Off. [1949] iv, 32 p. 27 cm. United States. Bureau of Labor Statistics. Bulletin, no. 949 Industrial accidents. Fertilizers and manures. McCormack, George R. (George Robertson), joint author. Bulletin of the United States Bureau of Labor Statistics ; 949. 36641 36641