7 votes Calls for change follow NPR/'Frontline' black lung investigation Posted January 28, 2019 by unknown user Tags: pollution, usa, black lung, regulation, lungs, environmental protection agency, health, mining.coal, fuels.fossil, author.howard berkes Topic removed by site admin 0 comments Collapse replies Expand all Comments sorted by most votes newest first order posted relevance OK Comment removed by site admin Link
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