11.   The company operates mines at Broken Hill, and Elura in New South Wales state and at Rosebery in Tasmania state.

12.   The company operates mines at Broken Hill, and Elura in New South Wales and at Rosebery in Tasmania.

13.   The company operates the mine through a subsidiary, PT Freeport Indonesia.

14.   They make their profit when they sell out to much bigger companies with the capital and the expertise to operate a mine.

15.   Piotr Bielawski, spokesman for the KGHM Polska Miedz holding, which operates the mine, said bodies of the four miners were recovered overnight.

16.   A representative of Rosugol, the company which operates the mine, refused to disclose any other details of the accident.

17.   According to officials from Omai Gold Mines Ltd., the company which operates the mine, the leak was plugged on Thursday.

18.   Companies from the United States, Canada, Australia and Russia also operate diamond mines inside Angola.

19.   Emergency generators were being brought in and the unknown number of miners were being extracted, said Karl Schoemaker, a spokesman for AngloGold which operates the mine.

20.   It said the mines were illegally operated by local farmers and authorities had ordered them to stop.