WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

  

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from SEC Form
10-Q for quarter ending September 30, 1998 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                  09-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          13,108
<SECURITIES>                                         0
<RECEIVABLES>                                   33,367
<ALLOWANCES>                                     1,278
<INVENTORY>                                      7,150
<CURRENT-ASSETS>                                60,969
<PP&E>                                         524,056
<DEPRECIATION>                                  90,317
<TOTAL-ASSETS>                                 597,875
<CURRENT-LIABILITIES>                           63,552
<BONDS>                                        337,251
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           124
<OTHER-SE>                                     149,007
<TOTAL-LIABILITY-AND-EQUITY>                   597,875
<SALES>                                        176,545
<TOTAL-REVENUES>                               176,545
<CGS>                                          121,786
<TOTAL-COSTS>                                  152,315
<OTHER-EXPENSES>                                 2,374
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              12,682
<INCOME-PRETAX>                                  9,174
<INCOME-TAX>                                     3,945
<INCOME-CONTINUING>                              5,299
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                 ( 299)
<CHANGES>                                            0
<NET-INCOME>                                     4,930
<EPS-PRIMARY>                                      .41
<EPS-DILUTED>                                      .41