UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C.  20549


                             -----------------------

                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934

                             -----------------------

                Date of Report (Date of earliest event reported):
                                  July 31, 2001


                                 USX Corporation
 -------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)


       Delaware                1-5153                25-0996816
   ---------------     ----------------------    -------------------
   (State or other        (Commission File          (IRS Employer
   jurisdiction of             Number)           Identification No.)
    incorporation)

 600 Grant Street, Pittsburgh, PA              15219-4776
----------------------------------             ----------
 (Address of principal executive               (Zip Code)
             offices)

                                 (412) 433-1121
                         ------------------------------
                         (Registrant's telephone number,
                              including area code)
 2

Item 5. Other Events

USX Corporation is furnishing information for the July 31, 2001 press release
titled "USX Announces Board Approval of Plan of Reorganization and
Identification of Directors for Marathon Oil Corporation and United States Steel
Corporation Effective January 1, 2002".  Attached is a copy of the press release
in substantially the form released.

Item 7. Financial Statements and Exhibits

     (c)  Exhibits

         99.1. Press Release - "USX Announces Board Approval of Plan of
               Reorganization and Identification of Directors for Marathon Oil
	       Corporation and United States Steel Corporation Effective
	       January 1, 2002"


                                    SIGNATURE

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

USX CORPORATION


By   /s/ Larry G. Schultz
     ---------------------------
     Larry G. Schultz
     Vice President - Accounting



Dated:  July 31, 2001