- 1839 Hay Gill Mining Company
- 1866-1874 East Cumberland Mining Company
External Links
Publications (15)
- (1925); BGS - Mineral Resources of GB (c1920s) Vol XXX - Copper Ores: Midlands, Lake District & N Wales; 102 pages
- (1993); CATMHS - Newsletter 036-October; 32 pages
- (1994); CATMHS - Newsletter 039-July; 37 pages
- (1994); CATMHS - Newsletter 040-October; 31 pages
- (2002); CATMHS - Newsletter 069-October; 30 pages
- (2003); CATMHS - Newsletter 071-May; 29 pages
- (2005); CATMHS - Newsletter 080-August; 35 pages
- (2006); CATMHS - Newsletter 082-February; 29 pages
- (2008); CATMHS - Newsletter 091-May; 44 pages
- (2012); CATMHS - Newsletter 107-May; 32 pages
- (2012); CATMHS - Newsletter 109-November; 42 pages
- (2016); CATMHS - Newsletter 124-August; 45 pages
- (2018); CATMHS - Newsletter 132-August; 40 pages
- Adams, John (2nd Ed 1995); Mines of the Lake District Fells; pp. 78-81
- Joseph Yelloly Watson (1843); Compendium of British Mining, with Statistical Notices… & Glossary; 97 pages
Dale Beck Level - 130m
Caldbeck Smelt Mill - 206m
Birk Gill Levels - 430m
Braefell Mine - 614m
Ingray Gill Levels - 740m
Long Grain Levels - 870m
Deer Hills Trials - 1,015m
Short Grain Levels - 1,496m
Redgill Mine - 1,533m
Roughtongill Mine - 1,553m
Caldbeck Mine - 1,573m
China Clay Mine - 1,635m
Potts Gill Mine - 1,691m
Mexico Mine - 1,744m
Old Potts Gill Mine - 1,829m
1818 Level - 1,829m
Silver Gill Mine - 1,996m