Overview
Stage | Production |
Mine Type | Underground |
Commodities |
|
Mining Method |
- Room-and-pillar
- Continuous
|
The Harmony mine extracts coal from the Upper Kittanning Seam. |
Source:
p. 1
Contractors
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Summary:
The mine extracts coal from the Upper Kittanning Seam.
Mining Methods
- Room-and-pillar
- Continuous
Summary:
Mining method: Room-and-pillar.
The Harmony Mine is opened into the Upper Kittanning coal seam through three dris and has one mechanized mining unit (MMU). Coal is produced using a continuous mining machine (ripper) and a continuous haulage system. The mine normally operates 1 production shi per day, five to six days per week. The mine produces an average of 634 tons of raw coal per day. Coal is transported from the underground section to the surface coal handling facility via a series of underground and surface conveyor belts.
Production:
Commodity | Units | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
Coal (metallurgical)
|
tons
| ...... | ...... | ...... | ...... | ...... | 171,039 | 201,182 |
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