List of permissible mining equipment

Author:	Ilsley, L. C.
Year:	1929
Document Type:	MAIN
SUDOC:	C 22.11:6097
Series:	Information circular / Bureau of Mines ;
Report Number:	6097
Subjects:	Mining machinery
	Mines and mineral resources--Equipment and supplies
Link:	https://hdl.handle.net/2027/mdp.39015095078294