Management of labor in successful metal-mine operations

Author:	Wright, Charles Will,
Year:	1932
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	I 28.27:6650
Series:	Information circular / U.S. Bureau of Mines ;
Report Number:	6650
Subjects:	Miners--United States
	Labor--United States
Link:	https://hdl.handle.net/2027/mdp.39015086485698