Wikimedi'Òc

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 1 (30481271305).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 2 (30394832601).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 3 (30182940780).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 4 (30481252775).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 5 (30444929526).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 6 (29850626244).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 8 (29850609454).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 7 (30444911126).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 9 (29850601374).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 11 (30394752491).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 10 (29850592134).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 13 (29850569384).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 14 (29850560704).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 16 (30364505412).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 15 (30182871090).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 17 (30394700281).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 18 (30481161145).jpg - Ser Amantio di Nicolao

Semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 19 (30394680771).jpg - Ser Amantio di Nicolao