Hard coal covers anthracite and bituminous coal, and brown coal refers to sub-bituminous coal and lignite.
KeywordsBrown Coal Bituminous Coal Petroleum Coke spOt Market Coke Coal
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Unable to display preview. Download preview PDF.
© Phillip Crowson 1996