- 1805-1823 Lord Bolton and Mr Breare
- 1825-1827 Messrs Hall & Co. (Matthew Chalder, agent)
- 1843-1844 Tattersall & Co. (Leeds Mining Co.)
- 1845-1859 Weston, Tattersall & Co.
- 1859-1879 Weston, Bowman & Co.
- 1845-1879 Keld Heads Mining Co.
Publications (2)
- (1952); BGS - Mineral Resources of GB (c1920s) Vol IV - Fluorspar; 162 pages
- BGS - Mine Plans (large, zoomable) - Keldheads : Chaytor Rake; 1 pages
Keld Heads Level - 22m- Keld Heads New Smelt Mill - 260m
- Surface Rise, 2nd - 267m
Preston under Scar Quarry - 305m- Johnson's Shaft - 326m
- Surface Rise, 1st - 357m
- Keld Heads Old Smelt Mill - 394m
- Condenser Shaft - 408m
- Calvert's Level - 425m
- Dent Shaft - 573m
- Water Shaft - 690m
- Water Level - 707m
- Bella Gill Shaft - 740m
- Hell Gill Level - 837m
- Ringing Hole - 907m
- Preston Pasture Quarry - 1,101m
Brick Garth Plantation - 1,186m- Brick Garth Plantation - 1,217m
- Ashbank Level - 1,299m
- Cross Roads Shaft - 1,346m
- Heron Tree Strings - 1,675m
- Langscar Strings - 1,875m
- Blue Hillock Shaft - 1,922m
