Browse TRAIL Inventories

Mining and milling methods and costs, Madison Mine, National Lead Co., St Louis Smelting and Refining Division, Madison County, Mo.

Removing quartz and other impurities from refractory clays by mineral dressing methods

Experimental tertiary amine flotation of zinc silicate (hemimorphite) from Missouri

Alkyl-dithiocarbamic acid amine salts as flotation collectors for sulfide lead slime

Beneficiation of refractory clay

Metallurgical testing of Hawaiian ferruginous bauxites

The hydrocyclone in clay beneficiation

Flotation of siegenite in a complex sulfide table middling from southeast Missouri

Polyethoxylated amines as flotation collectors for slimed lead minerals

Processing of high-iron Arkansas bauxite ores

Metallurgical testing of Hawaiian ferruginous bauxites :concluding report


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