The Iron Ore Mine generates Iron Ore per tick, it can be upgraded with the following Extensions:
| Extension | Information | Size |
|---|---|---|
|
The Coal Storage adds 1 Iron Ore per 2 ticks | 2x1 |
|
The Maintenance Shed adds 2 Iron Ore per 4 ticks | 3x1 |
|
The Timber Tunnel Supports Using 2 Planks adds 5 Iron Ore per 5 ticks | 1x1 |
|
The Second Headframe adds 1 Iron Ore per tick | 2x1 |