<TABLE> <S> <C>



<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Consolidated Balance Sheet at December 31, 1998, 1997, and 1996, and the
Consolidated Statement of Income for the years then ended and is qualified in
its entirety by reference to such Form 10-K.
</LEGEND>
<MULTIPLIER> 1,000,000
       
<S>                                        <C>                     <C>                     <C>
<PERIOD-TYPE>                                     YEAR                    YEAR                    YEAR
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1997             DEC-31-1996
<PERIOD-END>                               DEC-31-1998             DEC-31-1997             DEC-31-1996
<CASH>                                             114                     183                     121
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                      310                     279                     380
<ALLOWANCES>                                         5                       5                       5
<INVENTORY>                                        246                     172                     218
<CURRENT-ASSETS>                                   751                     689                     805
<PP&E>                                            5002                    4602                    4837
<DEPRECIATION>                                    2714                    2604                    2889
<TOTAL-ASSETS>                                    3341                    3096                    3124
<CURRENT-LIABILITIES>                              536                     523                     485
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                            54                      54                      54
<OTHER-SE>                                        1279                    1386                    1313
<TOTAL-LIABILITY-AND-EQUITY>                      3341                    3096                    3124
<SALES>                                           1396                    1388                    1566
<TOTAL-REVENUES>                                  1396                    1388                    1566
<CGS>                                              818                     739                     804
<TOTAL-COSTS>                                     1793                    1246                    1449
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                  58                      47                      52
<INCOME-PRETAX>                                  (375)                     232                     249
<INCOME-TAX>                                     (148)                      71                      85
<INCOME-CONTINUING>                              (227)                     161                     164
<DISCONTINUED>                                     277                      33                      56
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                        50                     194                     220
<EPS-PRIMARY>                                     1.06                    4.06                    3.30
<EPS-DILUTED>                                     1.06                    4.04                    4.43
        


</TABLE>