Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.
Since 1933, Coal Mine has taken MSI guests down the mineshaft, along the rails, and through the walls of a true-to-life coal mine. It was the Museum's very first exhibit, and it's been a guest favorite ever since.
You have to see this saw! Incredible 45,000-ton machine has blade the size of a four-storey building The 45,000 ton piece of machinery can be found at the Bogatyr Mine near the city of Ekibastuz in Kazakhstan