1756-1772 Thomas Smith & Co. 1772 Mr Shackleton 1782-1791 Mrs Wardle & Co. 1820 Joseph Constantine & Co.
Publications (7)
- Gill, M.C. & Burt, R.; NMRS (2003); British Mining 72 - Mines of Yorkshire, The; ISBN 0901450 56 1; pp.167,328-329.
- Gill, M.C.; NMRS (1993); British Mining 46 - Grassington Mines, The; ISBN 0901450 39 1; pp.24,72,75-76,96-97,100-102,144.
- Gill, M.C.; NMRS (1994); British Mining 49 - Wharfedale Mines, The; ISBN 0901450 41 3; p.66.
- Gill, Mike (1990); PDMHS (Peak District Mines Historical Society) 11-1 Sum - Three Eighteenth Centuryt Mining Disputes at Grassington, Yorkshire; 10 pages (25-34)
- NMRS (1980); British Mining 13 - Mines of Grassington Moor & Wharfedale, The; ISBN 0 901450 16 2; p.18.
- NMRS; British Mining 88 - Memoirs 2009; p.104.
- NMRS; British Mining 92 - Memoirs 2011; p.111.
