Flotation of low-grade phosphate ores.

Author:	Lawrence, H. M.
Additional Authors:	Roca, E.
Year:	1931
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	C 22.12:3105
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	3105
Subjects:	Phosphate mines and mining--Florida
	Flotation
	Phosphate rock--Florida--Purification
Link:	https://hdl.handle.net/2027/mdp.39015077567124