Bituminous coal, or black coal, is a type of coal containing a tar-like substance called bitumen or asphalt. Its coloration can be black or sometimes...

lignite, the lowest grade of coal, and those of bituminous coal, the second-highest grade of coal. Sub-bituminous coal is primarily used as a fuel for...

Appalachian Mountains of the Coal Region of East-central Pennsylvania are extensions of the same layers of bituminous coal that are mined on the generally...

usually refers to the product derived from low-ash and low-sulphur bituminous coal by a process called coking. A similar product called petroleum coke...

relatively mild conditions, and sub-bituminous coal, bituminous coal, or anthracite coal (also called "hard coal" or "black coal") produced in turn with increasing...

North Sea coast supplying coal to Yorkshire and London. This also extended to the continental Rhineland, where bituminous coal was already used for the...

limited coal resources. Only Argentina is similarly poor. Coal in Chile is mostly sub-bituminous with the exception of the bituminous coals of the Arauco...

The Bituminous Coal Queens of Pennsylvania is a 2005 documentary film directed by David Hunt and Jody Eldred about the fiftieth annual "Pennsylvania Bituminous...

as Arch Coal, is an American coal mining and processing company. The company mines, processes, and markets bituminous and sub-bituminous coal with low...

Bituminous Coal Miners' Strike may refer to any of the following strikes: Bituminous Coal Miners' Strike of 1894 Bituminous Coal Strike of 1974 Bituminous...