Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consists of the following:

	September 30, 2023		December 31, 2022
Plant and Equipment	$	3,429,950	$	3,330,755
Coal Properties and Surface Lands	904,992		898,628
Airshafts	487,506		481,090
Mine Development	366,260		366,241
Advance Mining Royalties	331,948		331,863
Total Property, Plant and Equipment	5,520,656		5,408,577
Less: Accumulated Depreciation, Depletion and Amortization	3,603,830		3,448,495
Total Property, Plant and Equipment - Net	$	1,916,826	$	1,960,082