A seam was also worked from Hope Shaft at the Cononley lead mine, where it was 15 inches (0.37m) thick.
Gill, M.C. “Great Dales Coalfield, Eastern Areas” British Mining No.86 (2008), pp.68-108
Gill, M.C. The Yorkshire and Lancashire Lead Mines: A Study of Lead Mining in the South Craven and Rossendale Districts (British Mining No.33, 1987)
