TY - BOOK AU - Sutcliffe,Harry AU - Wilson,J.W. ED - North American Rapid Excavation and Tunneling Conference ED - American Society of Civil Engineers ED - American Institute of Mining, Metallurgical, and Petroleum Engineers. TI - Rapid excavation and tunneling conference, Chicago, Illinois 1983: proceedings U1 - 624 PY - 1983/// CY - New York PB - Society of Mining Engineers KW - Tunneling KW - Congresses KW - Excavation KW - Underground construction ER -