Supplemental Indenture No. 11



 Exhibit 4.13 
 CONSOL ENERGY INC. 
 SUPPLEMENTAL INDENTURE NO. 11 
 $250,000,000 
 7.875% Notes due 2012

 THIS SUPPLEMENTAL INDENTURE NO. 11, dated as of June 3, 2008 (this “Supplemental Indenture No. 11”), 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 and a Supplemental Indenture No. 10 dated as of November 12, 2007 (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 May 20, 2008, a certain indirect subsidiary of the Company, and a direct subsidiary of CNX Gas Company LLC, being MOB Corporation, a
Pennsylvania corporation, 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 Subsidiary would become a
Guarantor Subsidiary within the meaning of that term in the Indenture and is required to deliver a Subsidiary 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 Subsidiary to execute a supplemental indenture in respect of a Subsidiary Guarantee; 
 WHEREAS, all the conditions and requirements necessary to make this Supplemental Indenture No. 11, 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. 11 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. 11 constitutes an integral part of the Indenture. 
 SECTION 1.2 Rules of Construction. For all purposes of this Supplemental Indenture No. 11: 
 (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. 11; 
 (c) the terms “herein,” “hereof,” “hereunder” and other words of similar import refer
to this Supplemental Indenture No. 11; and 
 (d) in the event of a conflict with the definition of terms in the Indenture, the
definitions in this Supplemental Indenture No. 11 shall control. 
 ARTICLE TWO 
 GUARANTOR SUBSIDIARIES 
 SECTION 2.1
Subsidiary Guarantees. Effective as of the date hereof, each of the Subsidiaries 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. 11, 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. 11. 
 SECTION 3.3 Counterparts. This Supplemental Indenture No. 11 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. 11 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. 11 Signature Page - Page 1 of 6] 
 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture No. 11 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. 11 Signature Page - Page 2 of 6] 
  

			
	GUARANTOR SUBSIDIARIES and GUARANTORS:
	
	 CNX LAND RESOURCES INC.

	 CNX MARINE TERMINALS INC.

	 CONRHEIN COAL COMPANY

	 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. 11 Signature Page - Page 3 of 6] 
  

			
	 CENTRAL OHIO COAL COMPANY

	 CONSOL DOCKS INC.

	 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. 11 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. 11 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









 [Supplemental Indenture No. 11 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) 
 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) 
 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)