1855-1870 ? Brown 1875-1888 Thomas Robinson 1890 Mary Ann Robinson 1925 Mrs Robson
Gray Mare Hill Drift
Coal Mine
Worked from 1855 to 1927
Jan 1st, 2024 from NMRS by Buddle-Bot
| Durham & Northumberland Coalfields | |
| Shotley Low Quarter | |
| 54.897051, -1.925213 | |
| NZ 0489 5582 | |
| Private Land | |
| 269m | |
| #23,281 |
Mosspool - 380m- Greymare Hill - 511m
- Mr Baker's - 801m
- Unthank - 929m
- Church Hill Drifts - 1,014m
- Unthank - 1,200m
- Unthank - 1,219m
- Unthank - 1,272m
- Kiln Pit Hill - 1,302m
- Highfield Drift - 1,336m
- Black Horse Drift - 1,396m
- Highfield East Drift - 1,814m