CASSIDY, S. M. (. (1973). Elements of pratical coal mining. The American Institute of mining Metallurgy and petroleum engineers.
Chicago Style CitationCASSIDY, Samuel M. (editor). Elements of Pratical Coal Mining. The American Institute of mining Metallurgy and petroleum engineers, 1973.
MLA CitationCASSIDY, Samuel M. (editor). Elements of Pratical Coal Mining. The American Institute of mining Metallurgy and petroleum engineers, 1973.
Warning: These citations may not always be 100% accurate.