Permissible Mine Equipment Approved by the Bureau of Mines During 1965-66 F. R. Lee Published: 1968 Total Pages: 34 Get eBook
Permissible Mine Equipment Approved by the Bureau of Mines During 1967-68 F. R. Lee Published: 1970 Total Pages: 34 Get eBook
Permissible Mine Equipment Approved by the Bureau of Mines During 1963-64 Frank R. Lee Published: 1966 Total Pages: 26 Get eBook
Permissible Mine Equipment Approved by the Bureau of Mines During 1953-62 F. R. Lee Published: 1964 Total Pages: 46 Get eBook
Permissible Electric Face Equipment and Other Mine Equipment Approved from January 1969 Through December 1974 F. R. Lee Published: 1977 Total Pages: 96 Get eBook
List of Bureau of Mines Publications and Articles ... with Subject and Author Index United States. Bureau of Mines Published: 1970 Total Pages: 450 Get eBook
Tunneling: Recommended Safety Rules United States. Bureau of Mines Published: 1968 Total Pages: 64 Get eBook
