Yieldable Steel Arches and Yieldable Steel Ring Supports in Metal Mines Nils A. Eilertsen Published: 1962 Total Pages: 68 Get eBook
Yieldable Steel Arches and Yieldable Steel Ring Supports in Metal Mines United States. Bureau of Mines Published: 1961 Total Pages: Get eBook
List of Bureau of Mines Publications and Articles ... with Subject and Author Index United States. Bureau of Mines Published: 1966 Total Pages: 308 Get eBook
Tunneling: Recommended Safety Rules United States. Bureau of Mines Published: 1968 Total Pages: 64 Get eBook
Optical Properties of Coals and Graphite James Thomas McCartney Published: 1967 Total Pages: 422 Get eBook
Science, Technology, and Development: Natural resources: minerals and mining mapping and geodetic control Published: 1962 Total Pages: 384 Get eBook
