1750 Wharton Trustees 1811 Robert Metcalfe & Co. 1812-1832 Hopper & Co. 1835-1836 George Guy & Co.
External Links
Publications (3)
- Gill, M.C. & Burt, R.; NMRS (2003); British Mining 72 - Mines of Yorkshire, The; ISBN 0901450 56 1; pp.54,74,256.
- NMRS (1971); Memoirs Vol2, No.1; p.9.
- NMRS; Newsletter Feb/2004; p.3.
