| General Features | |
 |
Electricity transmission line (with pylons spaced conventionally) |
 |
Pipe line (arrow indicates direction of flow) |
 |
Quarry |
 |
Spoil heap, refuse tip or dump |
|
|
Radio or TV mast |
 |
Church or Chapel with Tower |
 |
Church or Chapel with spire |
 |
Church or Chapel without tower or spire |
 |
Chimney or tower |
 |
Glasshouse |
 |
Graticule intersection at 5' intervals |
 |
Heliport |
 |
Triangulation pillar |
 |
Windmill with or without sails |
 |
Windpump |
| More general features symbols will be added as time permits. | |
