Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consists of the following:

	June 30, 2023		December 31, 2022
Plant and Equipment	$	3,397,535	$	3,330,755
Coal Properties and Surface Lands	904,573		898,628
Airshafts	484,502		481,090
Mine Development	366,265		366,241
Advance Mining Royalties	331,773		331,863
Total Property, Plant and Equipment	5,484,648		5,408,577
Less: Accumulated Depreciation, Depletion and Amortization	3,553,045		3,448,495
Total Property, Plant and Equipment - Net	$	1,931,603	$	1,960,082