Reducing back injuries in low-coal mines :redesign of materials-handling tasks

Author:	Gallagher, Sean.
Additional Authors:	Bobick, T. G., Unger, Richard L.
Year:	1990
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:9235
Series:	Information circular / Bureau of Mines ;
Report Number:	9235
Subjects:	Lifting and carrying
	Coal mines and mining
	Back--Wounds and injuries
	Mine haulage
Link:	https://hdl.handle.net/2027/mdp.39015078457697