Search U.S. government technical reports digitized or harvested by TRAIL.
Recovering iron concentrates from the Pea Ridge deposit, central Missouri
Leaching Michigan copper ore and mill tailings with acidified ferric sulfate
Anionic flotation of silica from geothitic iron-bearing materials, Cuyuna Range, Minn.
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