
US Bureau of Mines Collection - C-853-BC Hydrometallurgical Building As Seen From the Southeast: Storage tanks are in the right foreground and thickeners for a countercurrent decantation system in the center foreground. The buildings extending out from main building are a compressor room and an auxiliary field repair shop (originally a boiler room). The conveyor on top of the steel framework in the left background is used to bring raw materials to the hydrometallurgical building.