<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                             762
<SECURITIES>                                         0
<RECEIVABLES>                                  116,400
<ALLOWANCES>                                         0
<INVENTORY>                                     18,330
<CURRENT-ASSETS>                               156,358
<PP&E>                                         668,037
<DEPRECIATION>                                 256,822
<TOTAL-ASSETS>                                 767,942
<CURRENT-LIABILITIES>                          140,233
<BONDS>                                        230,401
<PREFERRED-MANDATORY>                              278
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                     315,548
<TOTAL-LIABILITY-AND-EQUITY>                   767,942
<SALES>                                              0
<TOTAL-REVENUES>                               271,616
<CGS>                                                0
<TOTAL-COSTS>                                  196,835
<OTHER-EXPENSES>                                24,188
<LOSS-PROVISION>                                21,767
<INTEREST-EXPENSE>                               4,648
<INCOME-PRETAX>                                 24,178
<INCOME-TAX>                                     8,677
<INCOME-CONTINUING>                             15,501
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    15,501
<EPS-PRIMARY>                                      .54<F1>
<EPS-DILUTED>                                      .54<F1>
<FN>
<F1>The EPS-Primary and EPS-Fully Diluted reflect the impact of a 2 for 1 stock
split in the form of a 100% stock dividend which is payable on May 17, 1996 to
shareholders of record as of May 6, 1996.
</FN>