CARRbonis is an independent mining engineering consultancy, supplying professional services to mining companies, financial institutions and investors. 

CRC longwall

Underground Coal

  • Longwall
  • Bord and Pillar

Open Cut

  • Dragline
  • Truck and Shovel
  • Highwall Mining
Steam Shovel, Limestone Quarry, Thornton, IL, c 1921 - Smaller