1734-1748 London Lead Company 1775-1781 Thomas Wilkinson, John Dinsdale, Richard Metcalfe & George Guy. 1813 R. Milner & Co. 1851-1852 Simpson, Jaques & Co.
Publications (2)
- Gill, M.C. & Burt, R.; NMRS (2003); British Mining 72 - Mines of Yorkshire, The; ISBN 0901450 56 1; pp.346
- NMRS; British Mining 45 - Memoirs 1992; pp.157