Wikimedi'Òc

Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 1 (30481424075).jpg - Ser Amantio di Nicolao

Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 2 (29850798154).jpg - Ser Amantio di Nicolao

Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 4 (30481400985).jpg - Ser Amantio di Nicolao

Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 3 (30445100606).jpg - Ser Amantio di Nicolao

Structural polish in semi-anthracite coal (Langhorne Coal, Lower Mississippian; Cloyds Mountain roadcut, Valley Coalfield, Virginia, USA) 5 (29849092963).jpg - Ser Amantio di Nicolao