Mine Surveyor - Mining Basics - Open Cut Coal. The machinery used in a surface mining operation is varied The choice of machinery generally depends on the size of the mine, available capital, coal seam sizes and amount of material between coal seams Common machinery (and specific survey control for,
Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.