Oyu Tolgoi project financing seen signed by year-end -Turquoise Hill
July 15, 2015 at 17:20 PM EDT
July 15 (Reuters) - A project financing agreement for the underground expansion of Oyu Tolgoi, a massive copper and gold mine in Mongolia, is expected to be signed by year end, mine owner Rio Tinto's Turquoise Hill Resources unit said on Wednesday.