1. The Old Coal Pits were sunk c1800, among the first pits in the area. The shafts were latterly used as air shafts. The S shaft is enclosed within a brick wall 3x3m and 3m high.
R Hayman, Hayman & Horton, 3/2/2003
2. See Old Coal Pits, Blaenavon (NPRN 276020) for further details.
David Percival & Louise Barker, RCAHMW, 12th Jan 2006
