- 1927 Vein discovered
- 1946 Vein starts being worked
Publications (2)
- Adams, John (2nd Ed 1995); Mines of the Lake District Fells; pp. 87-91
- Cooper, M.P. & Stanley, C.J.; Natural History Museum (1990); Minerals of the English Lake District - Caldbeck Fells; pp. 36,39,48-9.




