Child Miners, 20th Century, United States

Records
As of 2008, the deepest mine in the world is TauTona in Carletonville, South Africa at 3.9 kilometers, replacing the neighboring Savuka Mine in the North West Province of South Africa at 3,774 meters. East Rand Mine in Boksburg, South Africa briefly held the record at 3,585 meters, and the first mine declared the deepest in the world was also TauTona when it was at 3,581 meters. The deepest mine in Europe is Bergwerk Saar in Saarland, Germany at 1,750 meters. The second deepest mine in Europe is Pyhäsalmi Mine in Pyhäjärvi, Finland at 1,444 meters. The third deepest mine in Europe is Boulby Mine England at 1,400 meters (shaft depth 1,100 meters).
The deepest open pit mine in the world is Bingham Canyon Mine in Bingham Canyon, Utah, United States at over 1,200 meters. The largest and second deepest open pit copper mine in the world is Chuquicamata in Chuquicamata, Chile at 900 meters, 940,600 tons of copper and 17,700 tons of molybdenum produced annually.
The deepest open pit mine with respect to sea level is Tagebau Hambach in Germany, where the base of the pit is 293 meters below sea level.