Search U.S. government technical reports digitized or harvested by TRAIL.
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
Celestite deposits, Brown, Nolan, Fisher, and Coke Counties, Tex.