Wheal St Aubyn, Redruth. This mine, in operation from 1871 to 1893, worked in close conjunction with Wheal Grambla (Wheal Grambla'ss ivy-clad engine house stands near Ninnis).. Extensive waste tips and several shafts still remain. Ref.: B. Atkinson: Mining Sites in Cornwall, Vol. 2, Dyllansow Truran (1994)