Tables for Falls of Roof, Face, Or Rib Fatalities in Underground Coal Mines Published: 1992 Total Pages: 22 Get eBook
Monthly Statement of Coal-mine Fatalities in the United States Published: 1913 Total Pages: 16 Get eBook
Coal-mine Fatalities in the United States, 1870-1914 Walter Frank Rittman Published: 1916 Total Pages: 890 Get eBook
Coal-mine Fatalities in the United States, 1927 William Waugh Adams Published: 1928 Total Pages: 130 Get eBook
Coal-mine Fatalities in the United States, 1870-1914 George Arthur Burrell Published: 1916 Total Pages: 1070 Get eBook