The Corocoro United Copper Mines, Ltd. was the largest copper mine in Bolivia, an honor previously held by Compania Corocoro de Bolivia.
The corporate office was at 151 Finsbury Pavement House, London, England, while the mine office was at Coro Coro, Bolivia.
It was organized August 6, 1909 under the laws of Great Britain.
The mines were opened on two successive conglomerate strata of different geological horizons, and similar only in their origin and cupriferous nature.
The nearest water supply was the Rio Desaguadero, 14 miles (23 km) away, down which the copper was shipped by way of Puerto de Desaguadero, and from there to Mollendo, Chile, for export to Europe.