Laboratories that make assays, analyses and tests on ores, minerals, and other substances

Author:	Davis, Charles Wesley,
Additional Authors:	Bernewitz, Max Wilhelm von,
Year:	1938
Document Type:	USBI
Issuing Agency:	United States Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:6999
Series:	Information Circular / Bureau of Mines ;
Report Number:	6999
Link:	https://hdl.handle.net/2027/mdp.39015077575606