Supplemental Indenture No. 12



 Exhibit 4.14 
 CONSOL ENERGY INC. 
 SUPPLEMENTAL INDENTURE NO. 12 
 $250,000,000 
 7.875% Notes due 2012

 THIS SUPPLEMENTAL INDENTURE No. 12, dated as of July 28, 2008 (this “Supplemental Indenture No. 12”), by and among
CONSOL ENERGY INC., a Delaware corporation (the “Company”), the Guarantors listed on Schedule I hereto and THE BANK OF NOVA SCOTIA TRUST COMPANY OF NEW YORK, a New York trust company, as trustee under the Indenture
referred to below (the “Trustee”). 
 RECITALS OF THE COMPANY 
 WHEREAS, the Company has heretofore executed and delivered to the Trustee an Indenture dated as of March 7, 2002 (the “Indenture”), a
Supplemental Indenture No. 1 dated as of March 7, 2002, a Supplemental Indenture No. 2 dated as of September 30, 2003, a Supplemental Indenture No. 3 dated as of April 15, 2005, a Supplemental Indenture No. 4 dated
as of August 8, 2005, a Supplemental Indenture No. 5 dated as of October 21, 2005, a Supplemental Indenture No. 6 dated as of August 2, 2006, a Supplemental Indenture No. 7 dated as of March 12, 2007, a
Supplemental Indenture No. 8 dated as of May 7, 2007, a Supplemental Indenture No. 9 dated as of September 6, 2007, a Supplemental Indenture No. 10 dated as of November 12, 2007 and a Supplemental Indenture No. 11
dated as of June 3, 2008 (such Supplemental Indentures, collectively, the “Supplemental Indentures”) providing for the issuance of the 7.875% Notes due 2012 in the aggregate principal amount of $250,000,000; 
 WHEREAS, Article IX of the Indenture provides for various matters with respect to any series of Securities issued under the Indenture to be established
in an indenture supplemental to the Indenture; 
 WHEREAS, on July 14, 2008, certain indirect subsidiaries of the Company, and direct
subsidiaries of CNX Gas Company LLC, being Coalfield Pipeline Company, a Tennessee corporation and Knox Energy, LLC, a Tennessee limited liability company, entered into a Guarantor Joinder and Assumption Agreement pursuant to the Credit Agreement,
dated as of October 7, 2005, by and among CNX Gas Corporation, the Guarantors party thereto, the Lenders party thereto, Citibank, N.A. and PNC Bank, National Association, collectively as Co-Administrative Agents (collectively the “Credit
Agreement”) under which the Subsidiary will guarantee Indebtedness (as defined in the Indenture); 
 WHEREAS, pursuant to
Section 4.07 of the Indenture, upon the guarantee of indebtedness under the Credit Agreement, the Subsidiaries would become Guarantor Subsidiaries within the meaning of that term in the Indenture and are required to deliver a Subsidiaries
Guarantee; 







 WHEREAS, Section 9.01(a)(11) of the Indenture provides that the Company, the Guarantor Subsidiaries
and the Trustee may enter into an indenture supplemental to the Indenture to allow any Guarantor Subsidiaries to execute a supplemental indenture in respect of a Subsidiaries Guarantee; 
 WHEREAS, all the conditions and requirements necessary to make this Supplemental Indenture No. 12, when duly executed and delivered, a valid and
binding agreement in accordance with its terms and for the purposes herein expressed, have been performed and fulfilled. 
 NOW THEREFORE,
THIS SUPPLEMENTAL INDENTURE No. 12 WITNESSETH: 
 For and in consideration of the premises, the Company, the Guarantor Subsidiaries and
the Trustee mutually covenant and agree for the equal and proportionate benefit of the respective Holders of the Securities of such series as follows: 
 ARTICLE ONE 
 RELATION TO INDENTURE; DEFINITIONS; RULES OF CONSTRUCTION 
 SECTION 1.1 Relation to Indenture. This Supplemental Indenture No. 12 constitutes an integral part of the Indenture. 
 SECTION 1.2 Rules of Construction. For all purposes of this Supplemental Indenture No. 12: 
 (a) capitalized terms used herein without definition shall have the meanings specified in the Indenture; 
 (b) all references herein to Articles and Sections, unless otherwise specified, refer to the corresponding Articles and Sections of this Supplemental
Indenture No. 12; 
 (c) the terms “herein,” “hereof,” “hereunder” and other words of similar import refer
to this Supplemental Indenture No. 12; and 
 (d) in the event of a conflict with the definition of terms in the Indenture, the
definitions in this Supplemental Indenture No. 12 shall control. 
 ARTICLE TWO 
 GUARANTOR SUBSIDIARIES 
 SECTION 2.1
Subsidiaries Guarantees. Effective as of the date hereof, each of the Guarantors hereby fully and unconditionally Guarantee the Company’s Obligations under the Indenture and under any Securities of any Series issued under the Indenture
in accordance with Article XI of the Indenture. 
  

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 SECTION 2.2 Guarantor Subsidiaries and Guarantors. Effective as of the date hereof, (i) the
Guarantor Subsidiaries listed on Schedule I of the Indenture shall be as set forth on Schedule I attached hereto and (ii) the “Guarantors” as defined in the Supplemental Indentures shall mean
those subsidiaries of the Company listed on Schedule I attached hereto. 
 ARTICLE THREE 
 MISCELLANEOUS PROVISIONS 
 SECTION 3.1
Ratification. The Indenture, as supplemented and amended by the Supplemental Indentures and this Supplemental Indenture No. 12, is in all respects hereby adopted, ratified and confirmed. 
 SECTION 3.2 Trustee Not Liable for Recitals. The recitals contained herein are made by the Company and the Guarantors, and the Trustee assumes no
liability for the correctness thereof. The Trustee makes no representations as to the validity or sufficiency of this Supplemental Indenture No. 12. 
 SECTION 3.3 Counterparts. This Supplemental Indenture No. 12 may be executed in any number of counterparts, each of which when so executed shall be deemed an original, and all such counterparts shall
together constitute but one and the same instrument. 
 SECTION 3.4 Governing Law. THIS SUPPLEMENTAL INDENTURE NO. 12 SHALL BE
GOVERNED BY THE INTERNAL LAWS OF THE STATE OF NEW YORK, AND FOR ALL PURPOSES SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF SAID STATE. 
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 [Supplemental Indenture No. 12 Signature Page - Page 1 of 6] 
 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture No. 12 to be duly executed as of the day and year first above
written. 
  

			
	CONSOL ENERGY INC.
		
	By:	 	 /s/ John M. Reilly

	Name:	 	John M. Reilly
	Title:	 	Vice President and Treasurer










 [Supplemental Indenture No. 12 Signature Page - Page 2 of 6] 
  


			
	GUARANTOR SUBSIDIARIES and GUARANTORS:
	
	CNX LAND RESOURCES INC.
	CNX MARINE TERMINALS INC.
	CONRHEIN COAL COMPANY
	CONSOL DOCKS INC.
	CONSOL ENERGY SALES COMPANY
	CONSOL OF CANADA INC.
	 CONSOL OF CENTRAL PENNSYLVANIA LLC

	CONSOL OF KENTUCKY INC.
	CONSOL OF OHIO LLC
	CONSOL OF WV LLC
	CONSOL OF WYOMING LLC
	 CONSOL PENNSYLVANIA COAL COMPANY LLC

	LEATHERWOOD, INC.
	MON RIVER TOWING, INC.
	RESERVE COAL PROPERTIES COMPANY
	ROCHESTER & PITTSBURGH COAL COMPANY
	WOLFPEN KNOB DEVELOPMENT COMPANY
	AMVEST COAL & RAIL, L.L.C.
	AMVEST COAL SALES, INC.
	AMVEST CORPORATION
	AMVEST GAS RESOURCES, INC.
	AMVEST MINERAL SERVICES, INC.
	AMVEST MINERALS COMPANY, L.L.C.
	AMVEST OIL & GAS, INC.
	GLAMORGAN COAL COMPANY, L.L.C.
	MTB INC.
	PETERS CREEK MINERAL SERVICES, INC.
	TERRA FIRMA COMPANY
	TERRY EAGLE COAL COMPANY, L.L.C.
	VAUGHAN RAILROAD COMPANY
		
	By:	 	 /s/ John M. Reilly

		 	John M. Reilly, Treasurer of each Guarantor Subsidiary listed above on behalf of each such Guarantor Subsidiary










 [Supplemental Indenture No. 12 Signature Page - Page 3 of 6] 
  


			
	 CENTRAL OHIO COAL COMPANY

	CONSOLIDATION COAL COMPANY
	EIGHTY-FOUR MINING COMPANY
	HELVETIA COAL COMPANY
	ISLAND CREEK COAL COMPANY
	KEYSTONE COAL MINING CORPORATION
	LAUREL RUN MINING COMPANY
	McELROY COAL COMPANY
	SOUTHERN OHIO COAL COMPANY
	TWIN RIVERS TOWING COMPANY
	WINDSOR COAL COMPANY
		
	By:	 	 /s/ Daniel S. Cangilla

		 	Daniel S. Cangilla, Treasurer of each Guarantor Subsidiary listed above on behalf of each such Guarantor Subsidiary










 [Supplemental Indenture No. 12 Signature Page - Page 4 of 6] 
  


			
	AMVEST WEST VIRGINIA COAL, L.L.C.
		
	By:	 	 /s/ J. Keith Bartley

	Name:	 	J. Keith Bartley
	Title:	 	 Vice President – Administration,
 Secretary &
Treasurer

	
	 BRAXTON-CLAY LAND & MINERAL, INC.
 LITTLE EAGLE COAL COMPANY, L.L.C.
 NICHOLAS-CLAY LAND & MINERAL, INC.
 TEAGLE COMPANY, L.L.C.
 TECPART CORPORATION

		
	By:	 	 /s/ J. Keith Bartley

	Name:	 	J. Keith Bartley
	Title:	 	Treasurer
	
	FOLA COAL COMPANY, L.L.C.
		
	By:	 	 /s/ Kevin C. Perkins

	Name:	 	Kevin C. Perkins
	Title:	 	Treasurer
	
	TERRY EAGLE LIMITED PARTNERSHIP
		
	By:	 	TEAGLE Company and TECPART Corporation, as General Partners
		
	By:	 	 /s/ J. Keith Bartley

	Name:	 	J. Keith Bartley
	Title:	 	Treasurer
	
	CONSOL FINANCIAL INC.
		
	By:	 	 /s/ Donald J. Bromley

	Name:	 	Donald J. Bromley
	Title:	 	President and Treasurer










 [Supplemental Indenture No. 12 Signature Page - Page 5 of 6] 
  


					
	CNX GAS CORPORATION
		
	By:	 	 /s/ Stephen W. Johnson

	Name:	 	Stephen W. Johnson
	Title:	 	 Executive Vice President, General
 Counsel
and Corporate Secretary

	
	CNX GAS COMPANY LLC
		
	By:	 	 /s/ Stephen W. Johnson

	Name:	 	Stephen W. Johnson
	Title:	 	President
	
	 CARDINAL STATES GATHERING
 COMPANY

		
	By:	 	 CNX Gas Company LLC, as
 Partnership
Manager

			
		 	By:	 	 /s/ Stephen W. Johnson

		 	Name:	 	Stephen W. Johnson
		 	Title:	 	President
	
	MOB CORPORATION
		
	By:	 	 /s/ John F. Hammond

	Name:	 	John F. Hammond
	Title:	 	Secretary and Treasurer
	
	KNOX ENERGY, LLC
		
	By:	 	 /s/ Randall M. Albert

	Name:	 	Randall M. Albert
	Title:	 	Chief Manager
	
	COALFIELD PIPELINE COMPANY
		
	By:	 	 /s/ Randall M. Albert

	Name:	 	Randall M. Albert
	Title:	 	President










 [Supplemental Indenture No. 12 Signature Page - Page 6 of 6] 
  


			
	TRUSTEE:
	 THE BANK OF NOVA SCOTIA TRUST
 COMPANY OF NEW
YORK, as Trustee

		
	By:	 	 /s/ Warren Goshine

	Name:	 	Warren Goshine
	Title:	 	Vice President









 SCHEDULE I 
 GUARANTOR SUBSIDIARIES AND GUARANTORS: 
 AMVEST Coal & Rail, L.L.C. 
 (Virginia limited liability company) 
 AMVEST Coal Sales, Inc. 
 (Virginia corporation) 
 AMVEST Corporation 
 (Virginia corporation) 
 AMVEST Gas Resources, Inc. 
 (Virginia corporation) 
 AMVEST Mineral Services, Inc. 
 (Virginia corporation) 
 AMVEST Minerals Company, L.L.C. 
 (Virginia limited liability company) 
 AMVEST Oil & Gas, Inc.

 (Virginia corporation) 
 AMVEST West Virginia Coal, L.L.C.

 (West Virginia limited liability company) 
 Braxton-Clay
Land & Mineral, Inc. 
 (West Virginia corporation) 
 Cardinal States Gathering Company 
 (Virginia general partnership) 
 Central Ohio Coal Company 
 (Ohio corporation) 
 CNX Gas Corporation 
 (Delaware corporation) 
 CNX Gas Company LLC 
 (Virginia limited liability company) 
 CNX Land Resources Inc. 
 (Delaware corporation) 
 CNX Marine Terminals Inc. 
 (Delaware corporation) 
 Coalfield Pipeline Company 
 (Tennessee corporation) 
 Conrhein Coal Company 
 (Pennsylvania general partnership) 
 Consol Docks Inc. 
 (Delaware corporation) 
 CONSOL Financial Inc. 
 (Delaware corporation) 







 CONSOL of Canada Inc. 
 (Delaware corporation) 
 CONSOL of Central Pennsylvania LLC 
 (Pennsylvania limited liability company) 
 CONSOL of Kentucky Inc. 
 (Delaware corporation) 
 CONSOL of Ohio LLC 
 (Ohio limited liability company) 
 CONSOL of WV LLC 
 (West Virginia limited liability company) 
 CONSOL of Wyoming LLC 
 (Delaware limited liability company) 
 CONSOL Pennsylvania Coal Company LLC

 (Delaware limited liability company) 
 CONSOL Energy Sales
Company 
 (Delaware corporation) 
 Consolidation Coal Company

 (Delaware corporation) 
 Eighty-Four Mining Company

 (Pennsylvania corporation) 
 Fola Coal Company, L.L.C.

 (West Virginia limited liability company) 
 Glamorgan Coal
Company, L.L.C. 
 (Virginia limited liability company) 
 Helvetia Coal Company 
 (Pennsylvania corporation) 
 Island Creek Coal Company 
 (Delaware corporation) 
 Keystone Coal Mining Corporation 
 (Pennsylvania corporation) 
 Knox Energy, LLC 
 (Tennessee limited liability company) 
 Laurel Run Mining Company 
 (Virginia corporation) 
 Leatherwood, Inc. 
 (Pennsylvania corporation) 
 Little
Eagle Coal Company, L.L.C. 
 (West Virginia limited liability company) 
 McELROY COAL COMPANY 
 (Delaware corporation) 







 MOB Corporation 
 (Pennsylvania corporation) 
 Mon River Towing, Inc. 
 (Pennsylvania corporation) 
 MTB Inc. 
 (Delaware
corporation) 
 Nicholas-Clay Land & Mineral, Inc. 
 (Virginia corporation) 
 Peters Creek Mineral Services, Inc. 
 (Virginia Corporation) 
 Reserve Coal Properties Company 
 (Delaware corporation) 
 Rochester & Pittsburgh Coal Company 
 (Pennsylvania corporation) 
 Southern Ohio Coal Company 
 (West Virginia corporation) 
 TEAGLE Company, L.L.C. 
 (Virginia limited liability company) 
 TECPART Corporation 
 (Virginia corporation) 
 Terra Firma Company 
 (West Virginia corporation) 
 Terry Eagle Coal Company, L.L.C. 
 (West Virginia limited liability company) 
 Terry Eagle Limited Partnership 
 (West Virginia limited partnership) 
 Twin Rivers Towing Company 

(Delaware corporation) 
 Vaughan Railroad Company 
 (West Virginia corporation) 
 Windsor Coal Company 
 (West Virginia corporation) 
 Wolfpen Knob Development Company 
 (Virginia corporation)