1
Corporate Authors:
Group Author: ;
Published: American Institute of Mining, Metallurgical, and Petroleum Engineers,
Publication Dates: 1981.
Call Number: TD263-53/R218/1981/
Group Author: ;
Published: American Institute of Mining, Metallurgical, and Petroleum Engineers,
Publication Dates: 1981.
Call Number: TD263-53/R218/1981/
2
Proceedings:1981 Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981
Corporate Authors:
Group Author: ;
Published: Society of Mining Engineers of AIME,
Publication Dates: c1981.
Call Number: TD263-532/R218/1981/V.1
; ;
Group Author: ;
Published: Society of Mining Engineers of AIME,
Publication Dates: c1981.
Call Number: TD263-532/R218/1981/V.1