Search U.S. government technical reports digitized or harvested by TRAIL.
Beneficiation studies of columbium-tantalum-bearing minerals in alluvial black-sand deposits
Flotation of beryl from north-eastern pegmatites :a progress report
Flotation studies on copper-nickel sulfide ores from deposits near Rockport, Maine
Flotation of titanium minerals from the Roseland anorthosite, near Roseland, Nelson County, Va.