1940  Clarghyll Colliery Co.
1945-1970  T. Wright
1975-1999  J.G.E. Williams
Publications (2)
- (1987); CATMHS - Newsletter 016-April; 30 pages
 - British Small mines (North), AJ Booth, Pages 30-35
 
        
    
Jan 1st, 2024 from NMRS by Buddle-Bot![]()
Jan 16th, 2025 by Alex![]()
| Northern Pennines | |
| Alston Moor | |
| 54.8396797, -2.422318 | |
| NY 7298 4951 | |
| Private Land | |
| 366m | |
| #25,809 | 
1940  Clarghyll Colliery Co.
1945-1970  T. Wright
1975-1999  J.G.E. Williams
Bridge Mere Sike Level - 124m
Alston Drift - 228m
Ayle Burn - 330m
Ayle (1937) - 403m
Ayle Burn Mine Old Level - 524m
Ayle (1926) - 554m
Clargill - 1,087m
Clarghyll Drift - 1,111m
Taylor's Groove - 1,232m
Copperbole Head Levels - 1,743m
Thorngill - Slote Vein Firestone Level - 1,766m
Thorngill - Slote Vein Level - 1,780m
Cooperhole Head - Level 2 - 1,821m
Thorngill - Slote Vein Middle Level - 1,869m
Thorngill - Level below Firestone Sill - 1,912m
Blagill - Whimsey Shafts - 1,969m