Search U.S. government technical reports digitized or harvested by TRAIL.
Concentration of oxide manganese ores from the Havasu Lake District, California and Arizona
Concentration of oxide manganese ores from the Artillery Peak deposit, Mohave County, Ariz.
Concentration of fluorite ores from Arizona, California, Idaho, Montana, Nevada, and Wyoming
Concentration of manganese ores from Grand and Emery Counties, Utah
Concentration of Richmond Hill oxide manganese ore from Lead, Lawrence County, S. Dak.
Silver recovery from waste photographic solutions by metallic displacement
Recovering gold from stripping waste and ore by percolation cyanide leaching