1 EXHIBIT 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the prospectuses constituting part of the Registration Statements listed below of our reports dated February 14, 1995 relating to the Consolidated Financial Statements of USX Corporation, the Financial Statements of the Marathon Group, the Financial Statements of the U.S. Steel Group, and the Financial Statements of the Delhi Group, appearing on pages U-3, M-3, S-3 and D-3 respectively, of this Form 10-K: On Form S-3: Relating to: File No. 33-34703 Marathon Group Dividend Reinvestment Plan 33-57997 Marathon Group Dividend Reinvestment Plan 33-43719 U.S. Steel Group Dividend Reinvestment Plan 33-60172 U.S. Steel Group Dividend Reinvestment Plan 33-51621 USX Corporation Debt Securities, Preferred Stock and Common Stock 33-60142 USX Corporation Debt Securities 33-50191 USX Corporation Debt Securities, Preferred Stock and Common Stock 33-52937 USX Corporation Debt Securities On Form S-8: Relating to: File No. 2-76726 USX Savings Plan 33-52917 USX Savings Plan 2-76917 USX 1976 Stock Option Plan 33-6248 USX 1986 Stock Option Plan 33-8669 Marathon Oil Company Thrift Plan 33-38025 USX 1990 Stock Plan 33-41864 USX 1990 Stock Plan 33-52921 USX 1990 Stock Plan 33-48116 Parity Investment Bonus 33-54333 Parity Investment Bonus 33-54760 Thrift Plan for Employees of Delhi Gas Pipeline Corporation 33-56828 Marathon Oil Company Thrift Plan PRICE WATERHOUSE LLP 600 Grant Street Pittsburgh, PA 15219-2794 March 20, 1995