Substantial stone remains of 1845-1926 Cyfarthfa-owned pit including base of chimney. Marks start of 1766 Cyfarthfa Canal (nprn 232778) to Cyfarthfa ironworks (nprn 34078).
(A Guide to the Industrial Archaeology of South East Wales, AIA, 2003)
B.A.Malaws, RCAHMW, 30 October 2009.