Övdög Khudag coal mine

The Övdög Khudag Coal Mine (Mongolian: Өвдөг худаг, knee well, sometimes Ovdog Hudag) is a coal mine being developed in the Bayanjargalan sum of the Dundgovi in southern central Mongolia. The deposit has coal reserves amounting to projected 89 million tonnes of Lignite. Together with the "Ikh ulaan uul" (Их улаан нуур, big red lake) deposit nearby it comprises the "Black Hills" development.