<ARTICLE> 5
<RESTATED> 
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JUL-01-1997             JAN-01-1997
<PERIOD-END>                               SEP-30-1997             SEP-30-1997
<CASH>                                           6,704                       0
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   42,520                       0
<ALLOWANCES>                                         0                       0
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<CURRENT-ASSETS>                                55,120                       0
<PP&E>                                       1,059,352                       0
<DEPRECIATION>                               (283,045)                       0
<TOTAL-ASSETS>                                 847,733                       0
<CURRENT-LIABILITIES>                           54,092                       0
<BONDS>                                        293,866                       0
<PREFERRED-MANDATORY>                          115,000                       0
<PREFERRED>                                          0                       0
<COMMON>                                           202                       0
<OTHER-SE>                                     350,832                       0
<TOTAL-LIABILITY-AND-EQUITY>                   847,733                       0
<SALES>                                         83,771                 266,815
<TOTAL-REVENUES>                                82,120                 270,506
<CGS>                                           36,176                 109,685
<TOTAL-COSTS>                                   64,265                 185,973
<OTHER-EXPENSES>                                 9,005                  24,071
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               8,274                  25,552
<INCOME-PRETAX>                                    576                  34,909
<INCOME-TAX>                                       227                  13,968
<INCOME-CONTINUING>                                352                  20,949
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                   3,024
<CHANGES>                                            0                       0
<NET-INCOME>                                       352                  17,925
<EPS-PRIMARY>                                      .02                     .90
<EPS-DILUTED>                                      .02                     .87