Tunneling machine research :development of an experimental full-scale research rock cutting device

Author:	Rad, Parviz F.
Additional Authors:	Schmidt, Robert L.
Year:	1973
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Interior, Bureau of Mines,
SUDOC:	I 28.23:7787
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	7787
Subjects:	Mining machinery
	Cutting machines
	Boring machinery
	Tunneling--Equipment and supplies
Link:	https://hdl.handle.net/2027/mdp.39015078482612