Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
|
| Mining Method |
- Truck & Shovel / Loader
- Dragline
|
| Processing |
|
The Somerville Central Mine ceased production in December 2020, with sales continuing into January 2021. |
Source:
p. 49,173
Mining Methods
- Truck & Shovel / Loader
- Dragline
Summary:
Source:
Summary:
Its workforce operates the mine seven days a week, year-round, using a dragline, dozer push and truck and shovel fleets to remove overburden and transport coal to the preparation plant, where it is washed and loaded into rail cars for shipment to customers.
Production:
| Commodity | Units | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 |
|
Coal (thermal)
|
M tons
| ...... | 2 | 2.2 | 2.3 | 3 | 3.4 | 4.1 |
| Heat Content | BTU/lb | 11,000 | 11,200 | 11,200 | 11,200 | 11,200 | 11,200 | 11,200 |
All production numbers are expressed as clean coal.
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Reserves at December 31, 2018:
| Category | Tonnage | Commodity |
|
Proven & Probable
|
8 M tons
|
Coal (thermal)
|
Heavy Mobile Equipment as of December 31, 2020:
| HME Type |
|
Dozer
|
|
Dragline
|
|
Shovel
|
|
Truck (haul)
|
Corporate Filings & Presentations:
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Aerial view:
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