Bituminous-coal Miners' Safety Course United States. Bureau of Mines Published: 1954 Total Pages: 240 Get eBook
Safety Course for Bituminous-coal Miners United States. Bureau of Mines Published: 1949 Total Pages: 274 Get eBook
Bituminous-coal Miners' Safety Course United States. Bureau of Mines Published: 1954 Total Pages: 232 Get eBook
Coal Mine Safety United States. Congress. House. Committee on Education and Labor Published: 1952 Total Pages: 518 Get eBook
Bibliography of Bureau of Mines Investigations of Coal and Its Products, 1950 to 1955 United States. Bureau of Mines Published: 1958 Total Pages: 146 Get eBook
List of Publications Issued by the Bureau of Mines, with Subject and Author Index United States. Bureau of Mines Published: 1949 Total Pages: 196 Get eBook
List of Publications, Bureau of Mines United States. Bureau of Mines Published: 1960 Total Pages: 846 Get eBook
Organizations with Programs Beneficial to Coal-mine Employees J. D. Walker (Jr.) Published: 1953 Total Pages: 30 Get eBook