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PROPERTY, PLANT AND EQUIPMENT (Tables)
9 Months Ended
Sep. 30, 2017
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
CONSOL Energy Inc.'s property, plant and equipment consists of the following:

 
September 30,
2017
 
December 31,
2016
Plant and Equipment
$
2,685,707

 
$
2,680,453

Airshafts
388,299

 
381,755

Coal Properties and Surface Lands
859,030

 
861,048

Mine Development
344,139

 
344,139

Advance Mining Royalties
326,892

 
326,000

Total Property, Plant and Equipment
4,604,067

 
4,593,395

Less: Accumulated Depreciation, Depletion and Amortization
2,508,143

 
2,413,125

Total Property, Plant and Equipment, Net
$
2,095,924

 
$
2,180,270