Browse TRAIL Inventories

Gravity concentration on certain Florida phosphatic sands

Added recovery by hydraulic sizing of fine material in the land-pebble phosphate district of Florida

Compendium on limes in hydrometallurgy and flotation

Selective oiling and table concentration of phosphatic sands in the Land-Pebble district of Florida

Milling methods and costs at a Flat River (Mo.) mill

Progress report - metallurgical division.

Concentration of southern barite ores

Froth flotation and agglomerate tabling of micas

Hard and soft kaolins of Georgia

Concentration of bauxite for milling in the 50-ton Bureau of Mines Pilot Plant, Bauxite, Arkansas

Concentration of fluorite from Metals Reserve Company stock piles

Laboratory beneficiation of disseminated fluorspar ores

Mississippi Valley Experiment Station Laboratory and pilot-plant concentration of corundum from Gallatin Gateway, Mont., for World War II

Celestite deposits, Brown, Nolan, Fisher, and Coke Counties, Tex.

Flotation of beryllium ores


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