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PROPERTY, PLANT AND EQUIPMENT (Tables)
3 Months Ended
Mar. 31, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

Property, plant and equipment consists of the following:

 
March 31,
2020
 
December 31,
2019
Plant and Equipment
$
3,066,656

 
$
3,028,514

Coal Properties and Surface Lands
873,597

 
872,909

Airshafts
443,600

 
437,003

Mine Development
342,707

 
342,706

Advance Mining Royalties
327,138

 
327,048

Total Property, Plant and Equipment
5,053,698

 
5,008,180

Less: Accumulated Depreciation, Depletion and Amortization
2,965,903

 
2,916,015

Total Property, Plant and Equipment, Net
$
2,087,795

 
$
2,092,165