Search U.S. government technical reports digitized or harvested by TRAIL.
Concentration tests on the mangniferous iron ores of the Cuyuna district, Minnesota
Progress reports :metallurgical division.
Preliminary report on the flotation of bauxite
Applications of radioisotopes in metallurgical research
Electric smelting and gaseous refining of cement-copper precipitate
Metallurgical studies of rhodonite ores, Silverton district, Colorado (in three parts).
Sulfuric acid from sulfur dioxide by autoxidation in mechanical cells
Extraction of alumina by leaching melted and quenched anorthosite in sulfuric acid