Search U.S. government technical reports digitized or harvested by TRAIL.
Beneficiation of a Brazilian phosphate rock
Laboratory flotation of talc from Arkansas and Texas sources
Preliminary mineral-dressing investigation of East Texas brown iron ores
Mineral-dressing investigations of the recovery of pyromorphite from a Newton County Mo., deposit
Flotation of unoxidized maganiferous material from the Cuyuna Range, Minn.
Flotation treatment of experimental iron ore tailing from Champion mine, Marquette Range, Michigan