Dines, H.G. The Metalliferous Mining Region of South-West England addenda and corrigenda, 1988, Vol. II p.ix.
Hamilton Jenkin, A.K. Mines & Miners of Cornwall vol. ix p.39, 47.
See also: Tregollan Mine. Tretoil Mine.
Dines, H.G. The Metalliferous Mining Region of South-West England addenda and corrigenda, 1988, Vol. II p.ix.
Hamilton Jenkin, A.K. Mines & Miners of Cornwall vol. ix p.39, 47.
See also: Tregollan Mine. Tretoil Mine.