|
MINE SHAFT |
|
| SN | A vertical or inclined excavation giving access to an underground mine. |
| CL |
INDUSTRIAL |
| BT | MINE DRAINAGE AND VENTILATION SITE |
| NT |
ADIT
SHAFT MOUND |
| RT |
CRUSHING MILL
MINE PUMPING SHAFT MOTTE SERVICE SHAFT SHAFT TUNNEL CHAMBER VENTILATION SHAFT
|