Trends in Output Per Man-hour in Mining United States. Bureau of Labor Statistics Published: 1935 Total Pages: 60 Get eBook
Trends in Output Per Man-hour, 1935-55, Selected Non-manufacturing Industries United States. Bureau of Labor Statistics Published: 1956 Total Pages: 24 Get eBook
Recent Trends in Man-hour Production at Iron-ore Mines H. W. Davis Published: 1935 Total Pages: 14 Get eBook
Production, Employment, and Output Per Man in Gypsum Mining Robinson Newcomb Published: 1940 Total Pages: 26 Get eBook
Mineral Technology and Output Per Man Studies National Research Project on Reemployment Opportunities and Recent Changes in Industrial Techniques (U.S.) Published: 1937 Total Pages: 294 Get eBook
Technology, Employment, and Output Per Man in Iron Mining Nicholas Yaworski Published: 1940 Total Pages: 294 Get eBook
Techniques of Preparing Major BLS Statistical Series United States. Bureau of Labor Statistics Published: 1955 Total Pages: 138 Get eBook