<ARTICLE> 5
<MULTIPLIER> 1,000,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                              78
<SECURITIES>                                         0
<RECEIVABLES>                                     1027
<ALLOWANCES>                                         8
<INVENTORY>                                       1855
<CURRENT-ASSETS>                                  3093
<PP&E>                                           25749
<DEPRECIATION>                                   15426
<TOTAL-ASSETS>                                   16719
<CURRENT-LIABILITIES>                             3369
<BONDS>                                           3535
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          7
<COMMON>                                           382<F1>
<OTHER-SE>                                        4763
<TOTAL-LIABILITY-AND-EQUITY>                     16719
<SALES>                                           5997
<TOTAL-REVENUES>                                  5997
<CGS>                                             5655
<TOTAL-COSTS>                                     5655
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  85
<INCOME-PRETAX>                                    287
<INCOME-TAX>                                        91
<INCOME-CONTINUING>                                196
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       196
<EPS-PRIMARY>                                        0<F2>
<EPS-DILUTED>                                        0<F3>
<FN>
<F1>CONSISTS OF MARATHON STOCK ISSUED, $288; STEEL STOCK ISSUED, $85; DELHI 
STOCK ISSUED, $9.
<F2>PRIMARY EARNINGS (LOSS) PER SHARE APPLICABLE TO MARATHON STOCK, $.37; STEEL
STOCK, $.96; DELHI STOCK $.15.
<F3>FULLY DILUTED EARNINGS (LOSS) PER SHARE APPLICABLE TO MARATHON STOCK, $.37;
STEEL STOCK, $.93; DELHI STOCK, $.15.
</FN>