Milling methods and costs at the Hillside Fluorspar mines, Rosiclare, Ill.

Author:	Reeder, Edwin C.
Year:	1932
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6621
Series:	Information circular / Bureau of Mines ;
Report Number:	6621
Subjects:	Mining engineering
	Fluorspar--Illinois
Link:	https://hdl.handle.net/2027/mdp.39015086485516