|
EXHAUSTER HOUSE |
|
| UF |
Ventilating Fanhouse |
| SN | A building forming part of a colliery ventilation system exhausting stale air from shafts and headings. |
| CL |
INDUSTRIAL |
| BT | MINE DRAINAGE AND VENTILATION SITE |
| NT |
FAN HOUSE
|
| RT |
VENTILATION SHAFT
|