Coal Mine Statistics of State of Alabama for 1900, 1904-1910 Alabama. Office of State Mine Inspectors Published: 1900 Total Pages: Get eBook
Publications of the Geological Survey of Alabama and State Oil and Gas Board Geological Survey of Alabama Published: 1997 Total Pages: 86 Get eBook
Proceedings of the Workshop on Coal Pillar Mechanics and Design Published: 1992 Total Pages: 314 Get eBook