Electrical accidents in mines :their causes and prevention

Additional Authors:	Clark, H. H., Roberts, W. D., Randolph, H. F., Ilsley, L. C.
Year:	1914
Document Type:	MAIN
Issuing Agency:	Dept. of the Interior, Bureau of mines :
Series:	Miners' circular ;
Report Number:	5
Subjects:	Electricity in mining--Safety measures
	Mine accidents
Link:	https://hdl.handle.net/2027/mdp.39015077561267