Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2013

Notes to Financial Statements [Abstract]

Collaborative Arrangement Disclosure [Text Block]



Shale Play	Industry Participation Agreement Partner	Industry Participation Agreement Date	Drilling Carries Remaining*
Marcellus	Noble Energy, Inc.	September 30, 2011	$	2,052,790
Utica	Hess Ohio Developments, LLC	October 21, 2011	$	496,723

Property, Plant and Equipment



	March 31, 2013		December 31, 2012
Coal and other plant and equipment	$	6,032,128	$	6,030,620
Intangible drilling cost	1,623,391		1,550,297
Proven gas properties	1,600,532		1,596,838
Coal properties and surface lands	1,351,271		1,346,151
Unproven gas properties	1,321,108		1,266,017
Gas gathering equipment	1,024,952		1,006,882
Airshafts	711,586		706,388
Mine development	561,288		537,939
Leased coal lands	529,741		529,758
Gas wells and related equipment	508,768		492,367
Coal advance mining royalties	394,438		391,501
Other gas assets	82,094		82,217
Gas advance royalties	8,226		8,229
Total Property Plant and Equipment	15,749,523		15,545,204
Less: Accumulated DD&A	5,516,319		5,354,237
Total Net PP&E	$	10,233,204	$	10,190,967

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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