1854-1866 J. Ray 1867-1869 J. Ray (Exors of) 1870 ? [Not given] 1871-1873 George Small 1874-1879
Publications (2)
- (1920); BGS - Mineral Resources of GB (c1920s) Vol VII - Lignites, Jet, Kimmeridge oil, England and Wales; 132 pages
- Naylor, Peter J. (2008); PDMHS (Peak District Mines Historical Society) 17-1 Sum - Mines and Forges of the Lower Derwent Valley, The; 34 pages (18-51)
