Search U.S. government technical reports digitized or harvested by TRAIL.
Strength of ore and top rock in the red iron-ore mines of the Birmingham district, Ala.
Differential grinding of Alabama iron ores for gravity concentration
Rapid specific-gravity method for estimating the iron content of Birmingham, Ala., red ores
Exploration of tailing ponds in the Russellville, Ala., brown-ore district
Alabama red iron ores :Greasy Cove and Shinbone Ridge, St. Clair and Etowah Counties
Beneficiation of red iron ore fines from Pyne Mine, Bessemer, Ala.
Brown iron ore resources: Quitman County, Ga.
Brown iron ore resources :Barbour, Butler, Crenshaw, and Pike counties, Ala.
Phosphorus removal from Birmingham, Ala., calcareous iron ores