Search U.S. government technical reports digitized or harvested by TRAIL.
Investigation of low-grade and complex ores in Colorado
Leaching iron ores for phosphorus
Metallurgical possibilities of the descloizite ores at Goodsprings, Nevada
The retreatment of Comstock tailings
Ore size and blast-furnace economy
Method for comparison of the size of materials used in blast-furnace burdens
Factors governing removal of soluble copper from leached ores