Dines, H.G. The Metalliferous Mining Region of South-West England, Vol. I, p.45.
MJ 1877 p.62, 86, 129, 170
MJ shares listed 1877
Reports of the Inspectors of Mines to Her Majesty’s Secretary of State for the Year 1877, p.443, 445.
Reports of the Inspectors of Mines List of Mines 1877.