Jacobs Engineering Group Inc. (NYSE:JEC) announced today it signed a contract with Oyu Tolgoi LLC to provide engineering, procurement and construction management (EPCM) services for the next stage in the development of the Oyu Tolgoi copper and gold mine in Mongolia, the Oyu Tolgoi Underground Project . The Oyu Tolgoi mine is located in the South Gobi region of Mongolia, approximately 550 ...