Search U.S. government technical reports digitized or harvested by TRAIL.
Concentration of carbonate and oxide manganese ores from the vicinity of Tracy, Central California
Concentration of manganese ore from southeastern Juab County, Utah
Concentration of fluorite ores from Arizona, California, Idaho, Montana, Nevada, and Wyoming
Concentration of manganese ores from Grand and Emery Counties, Utah
Concentration of gravity tailings from the Grasselli deposit, Park City, Utah