abandoned coal prep plant

abandoned appalachia appalachian barge coal coalcamp coalfield coalmines coalmining coke cokeovens culm derelict dumps heartland industrial industry iron loadout mine mineportal mineshaft mining monongahela monvalley pacoal patchtown pennsylvania pile piles pittsburgh plant preparation railroad refuse river rustbelt slate slatedump spoil steel tailings tipple washingtoncounty western