Search U.S. government technical reports digitized or harvested by TRAIL.
Acid leaching of oxidized copper ores by downward percolation
Use of various salts as copper-volatilizing agents in the segregation process
Leaching Michigan copper ore and mill tailings with acidified ferric sulfate
Polynomial surface fitting using sample data from an underground copper deposit
Design of drill-hole grid spacings for evaluating low-grade copper deposits
Effect of ammonia in cyanide solution on copper extraction from a Michigan ore