- Bliv medlem
-
Du er ikke logget ind
Log ind Opret dig
Du er ikke logget ind
Beskrivelse
For those curious about the mine structures that dot the Black Hills landscape, this illustrated overview of mills and mineral-extraction processes will provide answers. The engineers and metallurgists who chased the glitter in the hard-rock ores made mining the region's number-one industry and influenced gold-recovery practices around the world.
