1854-1880 Butterley Co. 1885-1890 Butterley Iron & Coal Co. 1895-1900 The Butterley Co. 1905 But
Portland
Coal Mine
Worked from 1854 to 1905
Jan 1st, 2024 from NMRS by Buddle-Bot
| East and South Midlands Coalfields | |
| Kirkby-in-Ashfield | |
| 53.088273, -1.286048 | |
| SK 4791 5480 | |
| Private Land | |
| 106m | |
| #21,735 |
Langton - 483m- Portland, No.2 Pit - 534m
- Bentinck - 948m
- Portland, No.6 Pit - 955m
- Portland, No.7 Pit - 1,064m
- Portland, No.4 Pit - 1,216m
- Brookhill - 1,616m
- Mexborough, No.1 Pit - 1,812m
- Mexborough, No.2 Pit - 1,894m