Kingston/Mammoth
Mining
Type
Operating
Status
🇺🇸 United States, West Virginia (Appalachian Coal Basin)
Country
Project information
As at 31 December 2025
Aggregation level:
Asset
Aggregation level:
Asset
Report standard:
Sec S K 1300
Report standard:
Sec S K 1300
Ownership %:
100
Ownership %:
100
Operator:
Yes
Operator:
Yes
Extraction:
Open Pit Underground
Extraction:
Open Pit Underground
Description
As at 31 December 2025
Mining complex located in Fayette and Raleigh counties, West Virginia. Comprises one active underground mine producing Mid-Vol. met coal from the Douglas seam, and two active surface mines producing High-Vol. A met coal and thermal coal. Development began on the new Wildcat underground mine in 2024, targeting Low-Vol. met coal from the Sewell seam with production expected in Q1 2026.
Mining metrics
As at 31 December 2025 · exclusive
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Reserves & resources — detail
As at 31 December 2025
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