Use of scrapers and other light earth-moving equipment in bituminous-coal strip mining

Additional Authors:	Turnbull, Louis A., Toenges, Albert L., Dowd, James J., Fish, Edward L., Shields, Joseph J.
Year:	1947
Document Type:	BMRA
Issuing Agency:	United States. Bureau of Mines,
SUDOC:	I 28.23:4033
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	4033
Subjects:	Mining machinery
	Strip mining
	Earthmoving machinery
Link:	https://hdl.handle.net/2027/mdp.39015078491001