Wikimedi'Òc

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 1 (30458317246).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 2 (30458298136).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 3 (30458288876).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 6 (30377969582).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 5 (30196292280).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 7 (30407971481).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 8 (30407960331).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 10 (30196220870).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 12 (30377890692).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 11 (30377908992).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Merrimac Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 13 (30407893111).jpg - Ser Amantio di Nicolao