A second mine, Diavik Diamond Mine, began production in 2003. It's something we knew we wanted to mine and explore. It is used in a brown coal mine near Hambach in Germany. It was part of the workings of the old Ferreira Mine. I wanted to create worlds that were rosier than mine. Tremalt had a half share in the Mukondo Mine. It is also home to North America's oldest copper mine, located in Cananea. They also bought an interest in the Vizina mine and some water rights. The last coal mine was closed in 1974. It also appears as a predator in the movie "Enemy Mine". There is no record of any attempt to mine guano on the island. Warhol's father worked in a coal mine. The last coal mine closed in 1994. Minehunting pays little attention to the nature of the mine itself. One led to the discovery of the Premier Mine.