Possible articles to edit for EJ assignment:

https://en.wiki.x.io/wiki/Coalworker's_pneumoconiosis

https://en.wiki.x.io/wiki/Black_Lung_Benefits_Act_of_1973

https://en.wiki.x.io/wiki/Mountaintop_removal_mining

https://en.wiki.x.io/wiki/United_Mine_Workers

https://en.wiki.x.io/wiki/Coal_mining_in_the_United_States

https://en.wiki.x.io/wiki/Environmental_impact_of_the_coal_industry

Or maybe a new article on a specific coal mining community.