Dalkeith Colliery
Dates
| / /1953 | Dalkeith Colliery (Dalkeith) Coal Preparation Plant opened by National Coal Board, uses existing 5, 6 for ventilation and 7, 8 for access, uses the Smeaton Colliery bing. |
| / /1978 | Dalkeith Colliery (Dalkeith) Closed. |
| / /1978 | Macmerry Branch (North British Railway) Dalkeith Colliery closed. |
