| Schedule of Property, Plant and Equipment |
Property, plant and equipment consisted of the following: | | | | | | | | | | | | | September 30,
2026 | | December 31,
2025 | | Plant and Equipment | $ | 5,141,618 | | | $ | 4,876,926 | | | Coal Properties and Surface Lands | 2,245,379 | | | 2,241,915 | | | Mine Development | 690,642 | | | 690,845 | | | Airshafts | 648,686 | | | 591,146 | | | Advance Mining Royalties | 331,368 | | | 329,970 | | | Total Property, Plant and Equipment | 9,057,693 | | | 8,730,802 | | | Less: Accumulated Depreciation, Depletion and Amortization | 4,751,862 | | | 4,343,920 | | | Total Property, Plant and Equipment—Net | $ | 4,305,831 | | | $ | 4,386,882 | |
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