Safety organization and activities of award-winning companies in the coal-mining industry /
by Robert T. Davis and R.W. Stahl.

APA Citation

Davis, R. T., Stahl, R. Ward., United States. Bureau of Mines. (1964). Safety organization and activities of award-winning companies in the coal-mining industry. [Washington, D.C.]: U.S. Bureau of Mines.

MLA Citation

Davis, Robert T, R. Ward Stahl, and United States. Bureau of Mines. Safety Organization And Activities of Award-winning Companies In the Coal-mining Industry. [Washington, D.C.]: U.S. Bureau of Mines, 1964.