WEST KENTUCKY MINING AND CONSTRUCTION

Coal is also the most commonly occurring fossil fuel in the United States, and statistics suggest that coal accounts for almost half of the total electricity generation in the United States. Wyoming is the top producer of coal in the Western Coal Region. It accounts for almost 40% of the total coal mined in the US... Coal is vastly different from other mineral rocks, which are generally composed of inorganic materials. Coal, on the other hand, is composed of decomposable plant matter, and it goes through several changes before it becomes coal in its known form... Sub-bituminous coal: It is more than 100 million years old and has a carbon content of around 35-45%.