Exhibit 25.1
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                                    FORM T-1

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                            STATEMENT OF ELIGIBILITY
                   UNDER THE TRUST INDENTURE ACT OF 1939 OF A
                    CORPORATION DESIGNATED TO ACT AS TRUSTEE

                      CHECK IF AN APPLICATION TO DETERMINE
                      ELIGIBILITY OF A TRUSTEE PURSUANT TO
                             SECTION 305(b)(2) |__|



                              THE BANK OF NEW YORK
               (Exact name of trustee as specified in its charter)

New York                                                     13-5160382
(State of incorporation                                      (I.R.S. employer
if not a U.S. national bank)                                 identification no.)

One Wall Street, New York, N.Y.                              10286
(Address of principal executive offices)                     (Zip code)


                             GIANT INDUSTRIES, INC.
               (Exact name of obligor as specified in its charter)

Delaware                                                     86-0642718
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)


                         GIANT INDUSTRIES ARIZONA, INC.
               (Exact name of obligor as specified in its charter)

Arizona                                                      86-0218157
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)


                            CINIZA PRODUCTION COMPANY
               (Exact name of obligor as specified in its charter)

New Mexico                                                   74-2468207
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)

                       GIANT STOP-N-GO OF NEW MEXICO, INC.
               (Exact name of obligor as specified in its charter)

New Mexico                                                   85-0389396
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)

                            GIANT FOUR CORNERS, INC.
               (Exact name of obligor as specified in its charter)

Arizona                                                      86-0739055
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)

                             PHOENIX FUEL CO., INC.
               (Exact name of obligor as specified in its charter)

Arizona                                                      86-0109486
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)

                            SAN JUAN REFINING COMPANY
               (Exact name of obligor as specified in its charter)

New Mexico                                                   74-2759385
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)

                            GIANT MID-CONTINENT, INC.
               (Exact name of obligor as specified in its charter)

Arizona                                                      86-0784398
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)

                             GIANT PIPELINE COMPANY
               (Exact name of obligor as specified in its charter)

New Mexico                                                   85-0467397
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)

                              GIANT YORKTOWN, INC.
               (Exact name of obligor as specified in its charter)

Delaware                                                     27-0003663
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)


                         GIANT YORKTOWN HOLDING COMPANY
               (Exact name of obligor as specified in its charter)

                                      -2-




Delaware                                                     20-0805473
(State or other jurisdiction of                              (I.R.S. employer
incorporation or organization)                               identification no.)


23733 North Scottsdale Road
Scottsdale, Arizona                                          85255
(Address of principal executive offices)                     (Zip code)

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                                 Debt Securities
                       (Title of the indenture securities)

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1.    GENERAL INFORMATION. FURNISH THE FOLLOWING INFORMATION AS TO THE TRUSTEE:

      (A)   NAME AND ADDRESS OF EACH EXAMINING OR SUPERVISING AUTHORITY TO WHICH
            IT IS SUBJECT.



- --------------------------------------------------------------------------------
            Name                                  Address
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      Superintendent of Banks of the         2 Rector Street, New York,
      State of New York                      N.Y.  10006, and Albany, N.Y. 12203

      Federal Reserve Bank of New York       33 Liberty Plaza, New York,
                                             N.Y.  10045

      Federal Deposit Insurance              Washington, D.C.  20429
      Corporation

      New York Clearing House                New York, New York   10005
      Association


      (B)   WHETHER IT IS AUTHORIZED TO EXERCISE CORPORATE TRUST POWERS.

      Yes.

2.    AFFILIATIONS WITH OBLIGOR.

      IF THE OBLIGOR IS AN AFFILIATE OF THE TRUSTEE, DESCRIBE EACH SUCH
      AFFILIATION.

      None.

16.   LIST OF EXHIBITS.

      EXHIBITS IDENTIFIED IN PARENTHESES BELOW, ON FILE WITH THE COMMISSION, ARE
      INCORPORATED HEREIN BY REFERENCE AS AN EXHIBIT HERETO, PURSUANT TO RULE
      7A-29 UNDER THE TRUST INDENTURE ACT OF 1939 (THE "ACT") AND 17 C.F.R.
      229.10(D).

      1.    A copy of the Organization Certificate of The Bank of New York
            (formerly Irving Trust Company) as now in effect, which contains the
            authority to commence business and a grant of powers to exercise
            corporate trust powers. (Exhibit 1 to Amendment No. 1 to Form T-1
            filed with Registration Statement No. 33-6215, Exhibits 1a and 1b to
            Form T-1 filed with Registration Statement No. 33-21672 and Exhibit
            1 to Form T-1 filed with Registration Statement No. 33-29637.)

      4.    A copy of the existing By-laws of the Trustee. (Exhibit 4 to Form
            T-1 filed with Registration Statement No. 33-31019.)

      6.    The consent of the Trustee required by Section 321(b) of the Act.
            (Exhibit 6 to Form T-1 filed with Registration Statement No.
            33-44051.)

      7.    A copy of the latest report of condition of the Trustee published
            pursuant to law or to the requirements of its supervising or
            examining authority.

                                      -4-

                                    SIGNATURE

      Pursuant to the requirements of the Act, the Trustee, The Bank of New
York, a corporation organized and existing under the laws of the State of New
York, has duly caused this statement of eligibility to be signed on its behalf
by the undersigned, thereunto duly authorized, all in The City of New York, and
State of New York, on the 11th day of March, 2004.

                                        THE BANK OF NEW YORK



                                        By:    /s/ VAN K. BROWN
                                           -------------------------------------
                                           Name:   VAN K. BROWN
                                           Title:  VICE PRESIDENT

                                                                       EXHIBIT 7

                       Consolidated Report of Condition of

                              THE BANK OF NEW YORK

                    of One Wall Street, New York, N.Y. 10286
                     And Foreign and Domestic Subsidiaries,

a member of the Federal Reserve System, at the close of business December 31,
2003, published in accordance with a call made by the Federal Reserve Bank of
this District pursuant to the provisions of the Federal Reserve Act.



                                                                                Dollar Amounts
ASSETS                                                                           In Thousands
                                                                             
Cash and balances due from depository institutions:
   Noninterest-bearing balances and currency and coin ......................    $    3,752,987
   Interest-bearing balances ...............................................         7,153,561
Securities:
   Held-to-maturity securities .............................................           260,388
   Available-for-sale securities ...........................................        21,587,862
Federal funds sold and securities purchased under agreements to resell......
   Federal funds sold in domestic offices ..................................           165,000
   Securities purchased under agreements to resell .........................         2,804,315
Loans and lease financing receivables:
   Loans and leases held for sale ..........................................           557,358
   Loans and leases, net of unearned income ................................        36,255,119
   LESS: Allowance for loan and lease losses ...............................           664,233
   Loans and leases, net of unearned income and allowance ..................        35,590,886
Trading Assets .............................................................         4,892,480
Premises and fixed assets (including capitalized leases) ...................           926,789
Other real estate owned ....................................................               409
Investments in unconsolidated subsidiaries and associated companies ........           277,788
Customers' liability to this bank on acceptances outstanding ...............           144,025
Intangible assets ..........................................................
   Goodwill ................................................................         2,635,322
   Other intangible assets .................................................           781,009



                                                                             
Other assets ...............................................................         7,727,722
                                                                                --------------
Total assets ...............................................................    $   89,257,901
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LIABILITIES
Deposits:
   In domestic offices .....................................................    $   33,763,250
   Noninterest-bearing .....................................................        14,511,050
   Interest-bearing ........................................................        19,252,200
   In foreign offices, Edge and Agreement subsidiaries, and IBFs ...........        22,980,400
   Noninterest-bearing .....................................................           341,376
   Interest-bearing ........................................................        22,639,024
Federal funds purchased and securities sold under agreements to repurchase
   Federal funds purchased in domestic offices .............................           545,681
   Securities sold under agreements to repurchase ..........................           695,658
Trading liabilities ........................................................         2,338,897
Other borrowed money:
   (includes mortgage indebtedness and obligations under capitalized leases)        11,078,363
Bank's liability on acceptances executed and outstanding ...................           145,615
Subordinated notes and debentures ..........................................         2,408,665
Other liabilities ..........................................................         6,441,088
                                                                                --------------
Total liabilities ..........................................................    $   80,397,617
                                                                                ==============

Minority interest in consolidated subsidiaries .............................           640,126

EQUITY CAPITAL
Perpetual preferred stock and related surplus ..............................                 0
Common stock ...............................................................         1,135,284
Surplus ....................................................................         2,077,255
Retained earnings ..........................................................         4,955,319
Accumulated other comprehensive income .....................................            52,300
Other equity capital components ............................................                 0
                                                                                --------------
Total equity capital .......................................................         8,220,158
                                                                                --------------
Total liabilities minority interest and equity capital .....................    $   89,257,901
                                                                                ==============


      I, Thomas J. Mastro, Senior Vice President and Comptroller of the
above-named bank do hereby declare that this Report of Condition is true and
correct to the best of my knowledge and belief.

                                                            Thomas J. Mastro,
                                        Senior Vice President and Comptroller

      We, the undersigned directors, attest to the correctness of this statement
of resources and liabilities. We declare that it has been examined by us, and to
the best of our knowledge and belief has been prepared in conformance with the
instructions and is true and correct.

Thomas A. Renyi
Gerald L. Hassell                       Directors
Alan R. Griffith