Search U.S. government technical reports digitized or harvested by TRAIL.
Concentration tests on the mangniferous iron ores of the Cuyuna district, Minnesota
Flotation tests on converter slag
Flotation of low-grade phosphate ores.
Salts in the tri-state mill waters :their ill-effect on the flotation of blende and their removal
Milling methods and costs at a Flat River (Mo.) mill
Flotation of Vermont talc-magnesite ores
Progress reports - metallurgical division.
Flotation and agglomerate concentration of nonmetallic minerals