<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996
<PERIOD-START>                             APR-01-1996             JAN-01-1996
<PERIOD-END>                               JUN-30-1996             JUN-30-1996
<CASH>                                          10,681                       0
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   64,902                       0
<ALLOWANCES>                                         0                       0
<INVENTORY>                                        527                       0
<CURRENT-ASSETS>                                79,420                       0
<PP&E>                                         914,187                       0
<DEPRECIATION>                               (177,958)                       0
<TOTAL-ASSETS>                                 832,485                       0
<CURRENT-LIABILITIES>                           58,177                       0
<BONDS>                                        444,932                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                         15                       0
<COMMON>                                           182                       0
<OTHER-SE>                                     312,051                       0
<TOTAL-LIABILITY-AND-EQUITY>                   832,485                       0
<SALES>                                         92,128                 125,880
<TOTAL-REVENUES>                                94,740                 128,606
<CGS>                                           39,068                  53,484
<TOTAL-COSTS>                                   61,964                  84,309
<OTHER-EXPENSES>                                 6,760                   9,953
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                              12,445                  16,183
<INCOME-PRETAX>                                 13,571                  18,161
<INCOME-TAX>                                     5,610                   7,507
<INCOME-CONTINUING>                              7,988                  10,695
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     7,988                  10,695
<EPS-PRIMARY>                                     $.44                    $.69
<EPS-DILUTED>                                     $.41                    $.64