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Bituminous coal (view source)

Revision as of 04:10, October 11, 2018

No change in size ,  04:10, October 11, 2018
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→‎Further reading: re-categorisation
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* Freese, Barbara. ''Coal: A Human History'' (2003)   
 
* Freese, Barbara. ''Coal: A Human History'' (2003)   
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[[Category:Coal mining]]
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[[Category:Coal Mining]]
 
[[Category:Energy]]
 
[[Category:Energy]]
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