Overview
Stage | Production |
Mine Type | Open Pit & Underground |
Commodities |
|
Mining Method |
- Truck & Shovel / Loader
- Continuous
- Room-and-pillar
|
Production Start | ...  |
Mine Life | 78 years (as of Jan 1, 2022) |
Rockwell Complex consists of Eagle #3 Mine, Chilton Deep Mine No.1, Coal Branch No.1 Mine, Flying Eagle Mine, Glancy Surface Mine, Gateway Eagle Mine, Rocklick Preparation Plant and Wells Prep Plant and Loadout. |
Source:
p. 1-9
Company | Interest | Ownership |
Sev.en Energy AG
|
100 %
|
Indirect
|
Rockwell Mining, LLC
(operator)
|
100 %
|
Indirect
|
June 1, 2020 – Sev.en Energy AG is pleased to announce that it has acquired US metallurgical coal producer Blackhawk Mining, LLC.
Rockwell Mining operates the mine, which is a subsidiary of Blackhawk Mining LLC.
Contractors
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Mining Methods
- Truck & Shovel / Loader
- Continuous
- Room-and-pillar
Summary:
Mining Method: Surface and underground/ room and pillar.
Production Equipment: Continuous miner units, excavators, and front-end loaders.
Source:
Source:
Summary:

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Production:
Commodity | Units | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
Coal (metallurgical)
|
tons
| ......  | ......  | ......  | ......  | 1,457,449 | 1,110,592 |
All production numbers are expressed as clean coal.
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Reserves at December 31, 2018:
Category | Tonnage | Commodity |
Proven & Probable
|
180.6 M tons
|
Coal (metallurgical)
|
Total Resource
|
116.6 M tons
|
Coal (metallurgical)
|
Type | Material | Diameter | Length | Description |
Heavy Mobile Equipment as of March 27, 2017:
HME Type | Size | Quantity |
Truck (haul)
|
25 tons
|
.......................
|
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