<PAGE>

                                                               Exhibit 10(f)

                                        Service Agreement No. 37815
                                        Control No. 930905-013


                            GTS SERVICE AGREEMENT

         THIS AGREEMENT, made and entered into this 1st day of November,
1993, by and between COLUMBIA GAS TRANSMISSION CORPORATION ("Seller") and
DELTA NATURAL GAS CO., INC. - WINCHESTER ("Buyer").

         WITNESSETH: That in consideration of the mutual covenants herein
contained, the parties hereto agree as follows:

         Section 1. Service to be Rendered. Seller shall perform and Buyer
                    ----------------------
shall receive service in accordance with the provisions of the effective GTS
Rate Schedule and applicable General Terms and Conditions of Seller's FERC
Gas Tariff, Second Revised Volume No. 1 (Tariff), on file with the Federal
Energy Regulatory Commission (Commission), as the same may be amended or
superseded in accordance with the rules and regulations of the Commission.
The maximum obligation of Seller to deliver gas hereunder to or for Buyer,
the designation of the points of delivery at which Seller shall deliver or
cause gas to be delivered to or for Buyer, and the points of receipt at
which Buyer shall deliver or cause gas to be delivered, are specified in
Appendix A, as the same may be amended from time to time by agreement
between Buyer and Seller, or in accordance with the rules and regulations of
the Commission. Service hereunder shall be provided subject to the
provisions of Part 284.223 of Subpart G of the Commission's regulations.
Buyer warrants that service hereunder is being provided on behalf of Buyer.

         Section 2. Term. Service under this Agreement shall commence as of
                    ----
November 1, 1993, and shall continue in full force and effect until October
31, 2008, and from year-to-year thereafter unless terminated by either party
upon six (6) months' written notice to the other prior to the end of the
initial term granted or any anniversary date thereafter. Pre-granted
abandonment shall apply upon termination of this Agreement, subject to any
right of first refusal Buyer may have under the Commission's regulations and
Seller's Tariff.

         Section 3. Rates. Buyer shall pay Seller the charges and furnish
                    -----
Retainage as described in the above-referenced Rate Schedule, unless
otherwise agreed to by the parties in writing and specified as an amendment
to this Service Agreement.

         Section 4. Notices. Notices to Seller under this Agreement shall be
                    -------
addressed to it at Post Office Box 1273, Charleston, West Virginia
25325-1273, Attention: Director, Transportation and Exchange and notices to
Buyer shall be addressed to it at 3617 Lexington Road, Winchester, KY 40391,
Attention: President, Treasurer & CEO, until changed by either party by
written notice.



<PAGE>
<PAGE>


                                        Service Agreement No. 37815
                                        Control No. 930905-013


                       GTS SERVICE AGREEMENT (Cont'd)


         Section 5. Prior Service Agreements. This Agreement is being
                    ------------------------
entered into by the parties hereto pursuant to the Commission's Order No.
636 and its orders dated July 14, 1993 and September 29, 1993, with respect
to Seller's Order No. 636 compliance filing and relates to the following
existing Service Agreements:

         SGS Service Agreement No. 31086, effective February 4, 1985, as it
         may have been amended, providing for a bundled sales,
         transportation and storage service under the SGS Rate Schedule.

The terms of Service Agreement No. 37815 shall become effective as of the
effective date hereof, however, the parties agree that neither the execution
nor the performance of Service Agreement 37815 shall prejudice any
recoupment or other rights that Buyer may have under or with respect to the
above-referenced Service Agreements.

DELTA NATURAL GAS CO., INC./WINCHESTER    COLUMBIA GAS TRANSMISSION CORPORATION

By:  /s/ ALAN L. HEATH                    By:  /s/ [illegible signature]
     -----------------                         -------------------------

Title:  V.P. OPNS. & ENG.                 Title:  Vice President
        -----------------                         --------------




<PAGE>
<PAGE>

                  Appendix A to Service Agreement No. 37815
                           Under Rate Schedule GTS

           Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
           and (Buyer) DELTA NATURAL GAS CO INC



     Transportation Demand                    4,140               Dth/day

     Storage Contract Quantity              136,207               Dth

     Annual GTS Quantity                     75,288               Dth/Year


                           Primary Receipt Points
                           ----------------------

<TABLE>
<CAPTION>
Scheduling      Scheduling                      Measuring              Measuring                  Maximum Daily

Point No.       Point Name                      Point No.              Point Name                 Quantity (Dth/Day)
                                                                                                  ------------------
<S>             <C>                             <C>                    <C>                        <C>
8 0 1           T C 0 - L E A C H               8 0 1                                                   1,380
</TABLE>





<PAGE>
<PAGE>

                  Appendix A to Service Agreement No. 37815
                           Under Rate Schedule GTS

           Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
           and (Buyer) DELTA NATURAL GAS CO INC

<TABLE>
                                                  Primary Delivery Points
                                                  -----------------------
<CAPTION>
                                                                                    Maximum Daily
                                                                                    Delivery            Maximum Delivery
                      Scheduling            Measuring          Measuring            Obligation          Pressure
Scheduling Point      Point Name            Point No.          Point Name           (Dth/Day)           Obligation (PSIG)
---------------------------------------------------------------------------------------------------------------------------
<S>                   <C>                   <C>                <C>                    <C>                 <C>
38                    DELTA NATRL WINCHST   800809             KINGSTON TERRELL        2,270                 200
---------------------------------------------------------------------------------------------------------------------------
                                            803544             DELTA FRENCHBURG          280                 150
---------------------------------------------------------------------------------------------------------------------------
                                            803545             DELTA OWINSGSVILLE      1,030                 400
---------------------------------------------------------------------------------------------------------------------------
                                            803563             DELTA CARMARGO            340                 150
---------------------------------------------------------------------------------------------------------------------------
                                            803564             DELTA SHARPSBURG          220                 100
---------------------------------------------------------------------------------------------------------------------------
</TABLE>








<PAGE>
<PAGE>


                  Appendix A to Service Agreement No. 37815
                           Under Rate Schedule GTS

Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
and (Buyer) DELTA NATURAL GAS CO INC




  S1 / IF A MAXIMUM PRESSURE IS NOT SPECIFICALLY STATED, THEN SELLER'S
          OBLIGATION SHALL BE AS STATED IN SECTION 13 (DELIVERY PRESSURE)
          OF THE GENERAL TERMS AND CONDITIONS.

GFNT / UNLESS STATION SPECIFIC MODOS ARE SPECIFIED IN A SEPARATE
          FIRM SERVICE AGREEMENT BETWEEN SELLER AND BUYER, SELLER'S
          AGGREGATE MAXIMUM DAILY DELIVERY OBLIGATION, UNDER THIS AND ANY
          OTHER SERVICE AGREEMENT BETWEEN SELLER AND BUYER, AT THE
          STATIONS LISTED ABOVE SHALL NOT EXCEED THE MDD0 QUANTITIES SET
          FORTH ABOVE FOR EACH STATION. ANY STATION SPECIFIC MDDOS IN A
          SEPARATE FIRM SERVICE AGREEMENT BETWEEN SELLER AND BUYER SHALL
          BE ADDITIVE TO THE INDIVIDUAL STATION MDDOS SET FORTH ABOVE.





<PAGE>
<PAGE>

DELTA NATURAL GAS CO INC.

                  Appendix A to Service Agreement No. 37815
                           Under Rate Schedule GTS

By  /s/ ALAN L. HEATH    Between (Seller) COLUMBIA GAS TRANSMISSION CORPORATION
Its V.P. OPNS. & ENG.    and (Buyer) DELTA NATURAL GAS CO INC
Date April 11, 1994


COLUMBIA GAS TRANSMISSION CORPORATION

By  /s/ [illegible signature]

The Master List of Interconnects (MLI) as defined in Section 1 of the
General Terms and Conditions of Seller's Tariff is incorporated herein by
reference for the purposes of listing valid secondary interruptible receipt
points.

Its Vice President
Date  4-72-94

Service changes pursuant to this Appendix A shall become effective as of
NOVEMBER 01, 1993. This Appendix A shall cancel and supersede the previous
Appendix A effective as of N/A, to the Service Agreement referenced above.
With the exception of this Appendix A, all other terms and conditions of
said Service Agreement shall remain in full force and effect.







<PAGE>
<PAGE>

                  SCHEDULE OF OTHER GTS SERVICE AGREEMENTS

This is a schedule of other GTS Service Agreements substantially identical
to this exhibit in all material respects. The other GTS Service Agreements
to which the Registrant is a party are set forth below with the material
details that differ from this Exhibit:

1. GTS Service Agreement No. 37813, dated November 1, 1993, by and between
Columbia Gas Transmission Corporation and Delta Natural Gas. Co., Inc. -
Cumberland. Materially different details: Transportation Demand - 5,400
Dekatherms/day; Storage Contract Quantity - 177,662 Dekatherms; Annual GTS
Quantity - 98,200 Dekatherms/year; Maximum Daily Quantity - 1,800
Dekatherms/day; Maximum Daily Delivery Obligation - 5,400 Dekatherms/day.

2. GTS Service Agreement No. 37814, dated November 1, 1993, by and between
Columbia Gas Transmission Corporation and Delta Natural Gas. Co., Inc. -
Stanton. Materially different details: Transportation Demand - 2,530
Dekatherms/day; Storage Contract Quantity - 83,254 Dekatherms; Annual GTS
Quantity - 48,009 Dekatherms/year; Maximum Daily Quantity - 843
Dekatherms/day; Maximum Daily Delivery Obligation - 2,530 Dekatherms/day.

3. GTS Service Agreement No. 37954, dated November 1, 1993, by and between
Columbia Gas Transmission Corporation and Delta Natural Gas Co., Inc. (as
successor by assignment to Mt. Olivet Natural Gas Co.). Materially different
details: Initial term expired November 1, 1993 and agreement currently
continues on a year-to-year basis unless terminated by a party upon six
months' written notice prior to end of yearly renewal term; Transportation
Demand - 500 Dekatherms/day; Storage Contract Quantity - 18,434 Dekatherms;
Annual GTS Quantity - 20,127 Dekatherms/year; Maximum Daily Quantity - 187
Dekatherms/day; Maximum Daily Delivery Obligation -500 Dekatherms/day.

4. GTS Service Agreement No. 37954, dated November 1, 1993, by and between
Columbia Gas Transmission Corporation and Delta Natural Gas Co., Inc. (as
successor by assignment to City of North Middletown). Materially different
details: Initial term expired November 1, 1993 and agreement currently
continues on a year-to-year basis unless terminated by a party upon six
months' written notice prior to end of yearly renewal term; Transportation
Demand - 310 Dekatherms/day; Storage Contract Quantity - 10,218 Dekatherms;
Annual GTS Quantity - 12,000 Dekatherms/year; Maximum Daily Quantity - 103
Dekatherms/day; Maximum Daily Delivery Obligation -310 Dekatherms/day.