Coal mining

Mining operations, drilling various qualities of coal such as anthracite, bituminous and subbitominous, either above-ground or underground mining, including mining by liquefaction. These mining operations include excavation, crushing, washing, filtering and mixing and compaction to improve quality or facilitate transportation and storage or storage. Includes searching for coal from a culm bank

Gasification of coal in a mining location

Businesses to produce gas from coal at mining sites (on site gasification of coal).