Search U.S. government technical reports digitized or harvested by TRAIL.
Experiments in concentrating lead sulfide slime
Experimental upgrading of artificial magnetite concentrates by flotation
Anionic flotation of silica from western Mesabi and Menominee range iron ores
Pilot plant flotation of nonmagnetic taconite and semitaconite
Flotation of Marquette Range nonmagnetic taconite using innovative procedures