Search U.S. government technical reports digitized or harvested by TRAIL.
Experimental treatment of barite ores from Montgomery County, Ark. and Morgan County, Mo.
Mineral-dressing study of manganese ore, Cason Mine, Batesville, Ark.
Laboratory recovery of manganese carbonate from the Martin mine, Independence County, Ark.
A mineral-dressing study of manganese deposits of West-central Arkansas
Experiments in concentrating lead sulfide slime
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
Flotation of Marquette Range nonmagnetic taconite using innovative procedures