<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               JUN-30-1995
<CASH>                                          31,154
<SECURITIES>                                         0
<RECEIVABLES>                                  172,273
<ALLOWANCES>                                         0
<INVENTORY>                                    340,301
<CURRENT-ASSETS>                               636,525
<PP&E>                                       3,324,923
<DEPRECIATION>                                 652,376
<TOTAL-ASSETS>                               3,388,726
<CURRENT-LIABILITIES>                          488,286
<BONDS>                                        831,139
<COMMON>                                        20,595
<PREFERRED-MANDATORY>                          500,007
<PREFERRED>                                    573,900
<OTHER-SE>                                     382,468
<TOTAL-LIABILITY-AND-EQUITY>                 3,388,726
<SALES>                                        830,275
<TOTAL-REVENUES>                               830,275
<CGS>                                          495,844
<TOTAL-COSTS>                                  495,844
<OTHER-EXPENSES>                                19,610
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              11,799
<INCOME-PRETAX>                                239,180
<INCOME-TAX>                                   101,923
<INCOME-CONTINUING>                            111,580
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    84,618
<EPS-PRIMARY>                                      .41
<EPS-DILUTED>                                      .41