Link: https://www.ahs.dep.pa.gov/NewsRoomPublic/articleviewer.aspx?id=22156&typeid=1
Workgroup: Abandoned Mine Drainage
Link: https://www.ahs.dep.pa.gov/NewsRoomPublic/articleviewer.aspx?id=22156&typeid=1
Workgroup: Abandoned Mine Drainage
Cover photo credit: Ed Bacon