Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
|
| Mining Method |
- Truck & Shovel / Loader
- Dragline
|
| Mine Life | 18 years (as of Jan 1, 2017) |
Summary:
The mine extracts thermal coal from the Wyodak Seam, which ranges from approximately 55 to 70 feet in thickness.
Mining Methods
- Truck & Shovel / Loader
- Dragline
Summary:
Production:
| Commodity | Units | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 |
|
Coal (thermal)
|
tons
| ......  | ...... | ...... | 22,871,976 | 34,809,101 | 36,670,450 | 39,204,736 |
| Heat Content | BTU/lb | | 8,440 | 8,393 | 8,421 | 8,425 | 8,425 | 8,425 |
| Sulfur | % | | 0.29 | 0.3 | 0.3 | | | |
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Reserves at December 31, 2017:
| Category | Tonnage | Commodity |
|
Proven
|
246.5 M tons
|
Coal (thermal)
|
|
Probable
|
52.5 M tons
|
Coal (thermal)
|
|
Proven & Probable
|
299 M tons
|
Coal (thermal)
|
Heavy Mobile Equipment as of December 31, 2017:
| HME Type | Model | Quantity |
|
Dozer
|
|
14
|
|
Dragline
|
|
2
|
|
Drill
|
|
4
|
|
Excavator
|
|
3
|
|
Shovel
|
|
6
|
|
Truck (haul)
|
.......................
|
31
|
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Aerial view:
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