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PROPERTY, PLANT AND EQUIPMENT (Tables)
9 Months Ended
Sep. 30, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

Property, plant and equipment consists of the following:

 
September 30,
2019
 
December 31,
2018
Plant and Equipment
$
3,008,945

 
$
2,890,970

Coal Properties and Surface Lands
863,191

 
858,153

Airshafts
430,592

 
419,100

Mine Development
342,706

 
342,405

Advance Mining Royalties
327,966

 
327,543

Total Property, Plant and Equipment
4,973,400

 
4,838,171

Less: Accumulated Depreciation, Depletion and Amortization
2,866,649

 
2,731,643

Total Property, Plant and Equipment, Net
$
2,106,751

 
$
2,106,528