TOSCO REFINING CO. (A DIV OF TOSCO CORP)
                              3003 N. CENTRAL AVE., STE. 1500
                                     PHOENIX, AZ 85012

SEPTEMBER 29, 1997
HALLADOR PRODUCTION COMPANY
1660 LINCOLN ST.,
STE. 2700
DENVER, CO 80264                     **REVISED 10/7/97--SECTION 19

TELEX/TWX:
FAX: 303-832-3013

ATTENTION: VICTOR STABIO

                               TELEX CONTRACT

RE: TOSCO CONTRACT # 009237
    HALLADOR # PLEASE ADVISE


TOSCO REFINING CO. (A DIV OF TOSCO CORP) (TOSCO) HAS THE PLEASURE
TO CONFIRM THE FOLLOWING TRANSACTION AGREED TO BY VICTOR STABIO OF
HALLADOR PRODUCTION COMPANY (HALLADOR) AND JIM GRAVATT OF TOSCO ON
SEPTEMBER 23, 1997.  THIS TELEX SETS FORTH AND CONFIRMS THE COMPLETE
AGREEMENT BETWEEN THE PARTIES AND SUPERSEDES, AND REPLACES ALL

OTHER AGREEMENTS, WRITTEN OR ORAL, REGARDING ITS SUBJECT MATTER.
ALL OTHER TERMS AND CONDITIONS ARE HEREBY OBJECTED TO AND SHALL NOT
BE BINDING UNLESS IN WRITING AND SIGNED BY BOTH PARTIES.

             1. SELLER: HALLADOR PRODUCTION COMPANY
                        1660 LINCOLN ST., STE. 2700
                        DENVER, CO 80264

             2. BUYER: TOSCO REFINING CO. (A DIV OF TOSCO CORP)
                       3003 N. CENTRAL AVE., STE. 1500
                       PHOENIX, AZ 85012

             3. TERM: FROM NOVEMBER 1, 1997 TO OCTOBER 31, 1998, AND
                CONTINUING YEARLY THEREAFTER UNTIL CANCELLED BY EITHER
                PARTY PROVIDING 60 DAYS PRIOR WRITTEN NOTICE OF SUCH
                CANCELLATION.

             4. CRUDE TYPE: SOUTH CUYAMA.

             5. QUANTITY: APPROXIMATELY 1,100 BARRELS PER DAY.

             6. DELIVERY METHOD: PIPELINE

             7. DELIVERY: BY IN-LINE TRANSFER FROM LACT UNIT INTO FOUR
                CORNERS PIPELINE AT S. CUYAMA UNIT.

             8. MEASUREMENT: PIPELINE METERS

             9. TITLE & RISK: TITLE TO AND RISK OF LOSS OF THE CRUDE
                PASSES FROM THE SELLER TO THE BUYER AS THE CRUDE IS LINE
                TRANSFERRED AT SAID FACILITY.

                            TOSCO REFINING CO. (A DIV OF TOSCO CORP)
                                3003 N. CENTRAL AVE., STE. 1500
                                        PHOENIX, AZ 85012

Contract      9237
PAGE    2


              10. PRICE: THE AVERAGE OF CHEVRONIS, UNION 76'S, AND
                  TEXACO'S POSTED PRICES FOR BUENA VISTA HILLS CRUDE OIL
                  FOR GRAVITY DELIVERED IN THE MONTH OF DELIVERY, PLUS
                  $0.3100 PER BARREL.  FOR PRICING PURPOSES, VOLUMES WILL
                  BE CONSIDERED TO BE DELIVERED ON AN EQUAL DAILY BASIS.

              11. PAYMENT: PAYMENT SHALL BE MADE ON OR BEFORE THE 20TH
                  CALENDAR DAY OF THE MONTH FOLLOWING THE MONTH OF
                  DELIVERY BY WIRE TRANSFER IN IMMEDIATELY AVAILABLE U.S.
                  DOLLARS, WITHOUT DEDUCTION, DISCOUNT OR OFFSET.  IF
                  PAYMENT DATE FALLS ON A SATURDAY, PAYMENT IS DUE ON THE
                  PRECEDING BUSINESS DAY.  IF PAYMENT DATE FALLS ON
                  SUNDAY, PAYMENT IS DUE ON THE FOLLOWING BUSINESS DAY. 
                  IF PAYMENT DATE FALLS ON A HOLIDAY, PAYMENT SHALL
                  BE DUE ON THE PRECEDING BUSINESS DAY EXCEPT WHEN A
                  HOLIDAY FALLS ON A MONDAY, AND IN THAT INSTANCE, PAYMENT
                  SHALL BE DUE ON THE FOLLOWING BUSINESS DAY.

              12. CREDIT: OPEN LINE OF CREDIT

              13. TAXES: BUYER SHALL REIMBURSE SELLER FOR ALL TAXES
                  IMPOSED BY FEDERAL, STATE OR LOCAL GOVERNMENTS WITH 
                  RESPECT TO PRODUCT DELIVERED UNDER THIS AGREEMENT.  IF
                  BUYER IS ENTITLED TO PURCHASE PRODUCT FREE OF ANY TAX
                  (STATE OR FEDERAL), BUYER SHALL FURNISH TO SELLER THE
                  PROPER EXEMPTION CERTIFICATE.

              14. ASSIGNMENT: NEITHER PARTY SHALL ASSIGN THIS AGREEMENT
                  WITHOUT THE WRITTEN APPROVAL OF THE OTHER PARTY.

              15. GOVERNING LAW: THIS AGREEMENT SHALL BE GOVERNED,
                  CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE LAWS OF
                  THE STATE OF CALIFORNIA, WITHOUT REGARD TO CONFLICT OF
                  LAW RULES AND EACH PARTY CONSENTS TO THE EXCLUSIVE 
                  JURISDICTION OF THE COURTS IN CALIFORNIA.  RESOLUTION OF
                  DISPUTES BY ARBITRATION IS SPECIFICALLY EXCLUDED FROM
                  THIS AGREEMENT.  IN NO EVENT SHALL EITHER PARTY BE
                  LIABLE FOR CONSEQUENTIAL DAMAGES OR SPECIFIC 
                  PERFORMANCE.

              16. FORCE MAJEURE: IF EITHER PARTY IS RENDERED UNABLE BY
                  FORCE MAJEURE TO PERFORM OR COMPLY FULLY OR IN PART WITH
                  ANY OBLIGATION OR CONDITION OF THIS CONTRACT, THE
                  AFFECTED PARTY SHALL GIVE WRITTEN NOTICE TO THE OTHER
                  PARTY OF SUCH FORCE MAJEURE WITHIN FORTY-EIGHT (48)
                  HOURS AFTER RECEIVING NOTICE OF THE OCCURRENCE OF FORCE
                  MAJEURE RELIED UPON AND SUCH AFFECTED PARTY SHALL BE
                  RELIEVED OF LIABILITY AND SHALL SUFFER NO PREJUDICE FOR
                  FAILURE TO PERFORM SAME DURING SUCH PERIOD.  IN THE
                  EVENT THAT THE SAID PERIOD OF SUSPENSION SHALL CONTINUE
                  IN EXCESS OF THIRTY (30) CALENDER DAYS, THIS CONTRACT
                  MAY BE CANCELLED AT THE OPTION OF EITHER PARTY, WITHOUT
                  LIABILITY OF EITHER PARTY.

                           TOSCO REFINING CO. (A DIV OF TOSCO CORP)
                                3003 N. CENTRAL AVE., STE. 1500
                                       PHOENIX, AZ 85012

Contract      9237
PAGE     3


                  AS USED HEREIN, THE TERM "FORCE MAJEURE" SHALL INCLUDE,
                  BY WAY OF EXAMPLE AND NOT IN LIMITATION, FIRE; ACTS OF
                  GOD; NAVIGATIONAL ACCIDENTS; VESSEL DAMAGE OR LOSS;
                  ACCIDENTS AT OR CLOSING OF NAVIGATIONAL OR TRANSPORATION
                  MECHANISM; STRIKES, GRIEVANCES OR ACTIONS BY OR AMONG
                  WORKERS, LOCK-OUTS, OR LABOR DISTURBANCES; EXPLOSIONS OR
                  ACCIDENTS TO WELLS, PIPELINES, STORAGE DEPOTS, REFINERY
                  FACILITIES, MACHINERY, AND OTHER FACILITIES; ACTIONS OF
                  ANY GOVERNMENT, OR BY PERSONS PURPORTING TO REPRESENT A
                  GOVERNMENT; OR OTHER CAUSES NOT REASONABLY WITHIN
                  CONTROL OF THE RESPECTIVE PARTIES.

             17.  FINANCIAL RESPONSIBILITY: IN THE EVENT THAT EITHER PARTY
                  (THE --NON-PERFORMING PARTY-') FAILS TO MAKE TIMELY
                  PAYMENT OF ANY SUMS DUE HEREUNDER OR DEFAULTS IN THE
                  PERFORMANCE OF ANY OBLIGATION TO THE OTHER PARTY (THE
                  "PERFORMING PARTY") UNDER THIS AGREEMENT, OR OTHERWISE
                  GIVES THE PERFORMING PARTY REASONABLE GROUNDS TO DOUBT
                  ITS CONTINUING FINANCIAL RESPONSIBILITY, THE
                  NON-PERFORMING PARTY SHALL PROVIDE SUCH ADDITIONAL
                  SECURITY FOR OR ASSURANCES OF THE PERFORMANCE OF ITS
                  OBLIGATIONS AS MAY BE DEMANDED BY THE PERFORMING PARTY. 
                  IF SUCH SECURITY FOR OR ASSURANCES OF CONTINUED
                  PERFORMANCE IS NOT PROVIDED - WITHIN 48 HOURS OF THE
                  DEMAND THEREFOR, THE PERFORMING PARTY MAY SUSPEND ITS
                  OWN PERFORMANCE UNDER THIS CONTRACT UNTIL SUCH
                  SECURITY OR ASSURANCE IS PROVIDED, OR MAY IMMEDIATELY
                  TERMINATE THIS AGREEMENT WITHOUT FURTHER ADDITIONAL
                  NOTICE.  IF EITHER PARTY MAKES A GENERAL ASSIGNMENT FOR
                  THE BENEFIT OF CREDITORS, OR FILES A PETITION OR
                  COMMENCES A CASE UNDER ANY BANKRUPTCY, REORGANIZATION,
                  OR SIMILAR LAW FOR THE PROTECTION OF CREDITORS, 
                  OR HAS ANY SUCH PETITION FILED OR CASE COMMENCED AGAINST
                  IT, THEN THE OTHER PARTY MAY IMMEDIATELY TERMINATE THIS
                  AGREEMENT UPON WRITTEN NOTICE.  EXERCISE BY EITHER PARTY
                  OF ANY RIGHTS UNDER THIS PROVISION SHALL BE WITHOUT
                  PREJUDICE TO ANY CLAIMS FOR DAMAGES OR ANY OTHER RIGHT
                  UNDER THIS AGREEMENT OR APPLICABLE LAW.

             18.  LIABILITY: NEITHER PARTY SHALL BE LIABLE FOR SPECIAL OR
                  CONSEQUENTIAL DAMAGES OR FOR SPECIFIC PERFORMANCE AND
                  THE LIABILITY OF EITHER PARTY WITH RESPECT TO THIS
                  AGREEMENT OR ANY ACT IN CONNECTION HEREWITH WHETHER IN
                  CONTRACT, TORT, OR OTHERWISE SHALL NOT EXCEED THE PRICE
                  OF THE PRODUCT SOLD HEREUNDER OR THE PRICE OF THAT
                  PORTION OF SUCH PRODUCT ON WHICH LIABILITY IS ASSERTED.

             19.  INDEMNITY: SELLER AGREES TO INDEMNIFY AND HOLD BUYER
                  HARMLESS FROM LIABILITY FOR ANY AND ALL LOSSES, DEMANDS
                  OR CLAIMS ARISING FROM INJURIES OR DAMAGES WHICH OCCUR
                  BEFORE TITLE IS TRANSFERRED TO BUYER AND IN CONNECTION
                  WITH THE TRANSPORTATION, USE OR HANDLING OF ANY PRODUCT
                  COVERED BY THIS AGREEMENT, WHETHER DELIVERIES ARE MADE
                  TO BUYER, ITS ASSIGNS OR NOMINEES.

                                 TOSCO REFINING CO. (A DIV OF TOSCO CORP)
                                      3003 N. CENTRAL AVE., STE. 1500
                                              PHOENIX, AZ 85012

Contract        9237                                                     
PAGE     4


                      BUYER AGREES TO INDEMNIFY AND HOLD SELLER HARMLESS
                      FROM LIABILITY FOR ANY AND ALL LOSSES, DEMANDS OR 
                      CLAIMS ARISING FROM INJURIES OR DAMAGES WHICH OCCUR
                      AFTER TITLE IS TRANSFERRED TO BUYER.

                 20.  GOVERNMENT REGULATIONS: EACH PARTY SHALL, IN THE
                      PERFORMANCE OF THIS AGREEMENT, COMPLY WITH ALL
                      APPLICABLE GOVERNMENT LAWS AND REGULATIONS. 
                      FURTHER, SELLER CERTIFIES THAT THE PRODUCT HAS BEEN
                      PRODUCED, PROCESSED AND TRANSPORTED IN COMPLIANCE
                      WITH ALL APPLICABLE LAWS AND REGULATIONS.

                 21.  OTHER: ANY SITUATION NOT SPECIFICALLY ADDRESSED BY
                      ANY OF THE ABOVE TERMS SHALL BE GOVERNED BY STANDARD
                      INDUSTRY PRACTICE IN EFFECT AT THE DELIVERY
                      LOCATION.

                 22.  CONTACTS:

                      COMMERCIAL:  JIM GRAVATT    (805) 393-8930
                      OPERATIONAL: ANDY HAUSIG    (602)  200-4193
                      ACCOUNTING:  CRUDE OIL ACCOUNTANT
                      FINANCIAL:   GEORGE PADILLA  (602)  200-4181
                      CONTRACT ADMIN:    MIMI BARTON     (602)  200-4131
                      INVOICING:   CRUDE OIL ACCOUNTANT    (602)  200-4110

PEASE INDICTE YOUR ACCEPTANCE AND AGREEMENT BY SIGNING IN THE SPACE BELOW
AND RETURNING ONE EXECUTED COPY TO THE ABOVE ADDRESS FOR OUR RECORDS.


TOSCO                                    HALLADOR


/S/JOHN B. EIDMAN                         /S/RODERICK SMITH
- ------------------                        ------------------
BY: JOHN B. EIDMAN                        BY: RODERICK SMITH
    MGR., CRUDE SUPPLY & TRADING          TITLE:  VICE PRESIDENT