(On August JiaZi the fifth day), August 31, 1984, China's first modern surface mine in the Inner Mongolia Autonomous Region completed and commissioned. August

1984 31, China's own design, history www.TodayOnHistory.com] own construction of the first modern opencast coal mine - Huolinhe open pit mine in the Inner Mongolia Autonomous Region completed and put into production. Mine is the first phase of the project Huolinhe large opencast coal mine, with an annual output of 3 million tons of coal. Huolinhe coalfield of four large open-air the coalfields one, a total area of ​​540 square kilometers, the total reserves of 12.9 billion tons of coal. (On www.TodayOnHistory.com)