1925-1930 Butterknowle Marsfield Collieries Ltd 1935 A. Million 1940-1950 Butterknowle Marsfield
Grewburn
aka Grewburn Lane
Coal Mine
Worked from 1923 to 1950
Jan 1st, 2024 from NMRS by Buddle-Bot
| Durham & Northumberland Coalfields | |
| Copley | |
| 54.624364, -1.861732 | |
| NZ 0903 2548 | |
| Private Land | |
| 237m | |
| #22,413 |
Copley Bent - 231m- Copley (a) - 311m
- Copley (b) - 334m
- Gate Cote - 405m
- Colliery - 464m
- Colliery - 484m
- Mill Bank - 560m
Gaunless Smelt Mill - 652m- Howle Drift - 725m
- Lead Mill Drift - 736m
- Quarry Drift - 788m
- Meadowleigh - 798m
- Quarry Pit - 806m
- Copley Lane - 815m
- Arn Gill - 861m
- Grewburn, Victoria - 905m
- High Trough - 961m
- Old Copley - 1,000m
- Copley (Drift) - 1,254m
- Sandbed - 1,406m
- Lynesack - 1,438m
- West Copley - 1,528m
- Salter Burn Drift - 1,571m
- Edge Drift - 1,576m
- Low Summerhill - 1,642m
- Crake Scar (a) - 1,750m
- West Pits - 1,763m
- Butterknowle - 1,776m
- Langleydale - 1,790m
- Low Salter Burn Drift - 1,884m
- Diamond Pit - 1,927m
- Butterknowle, William Pit - 1,932m
- Cow Close - 1,947m