<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from SEC Form
10-Q for quarter ending March 31, 1999 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                          16,785
<SECURITIES>                                         0
<RECEIVABLES>                                   52,084
<ALLOWANCES>                                     1,103
<INVENTORY>                                      7,250
<CURRENT-ASSETS>                                77,025
<PP&E>                                         554,890
<DEPRECIATION>                                 100,693
<TOTAL-ASSETS>                                 633,842
<CURRENT-LIABILITIES>                           79,429
<BONDS>                                        352,643
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           124
<OTHER-SE>                                     149,336
<TOTAL-LIABILITY-AND-EQUITY>                   633,842
<SALES>                                         85,429
<TOTAL-REVENUES>                                85,429
<CGS>                                           58,325
<TOTAL-COSTS>                                   68,544
<OTHER-EXPENSES>                                   146
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               6,280
<INCOME-PRETAX>                                 10,459
<INCOME-TAX>                                     4,330
<INCOME-CONTINUING>                              6,129
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                      (4,903)
<NET-INCOME>                                     1,226
<EPS-PRIMARY>                                      .10
<EPS-DILUTED>                                      .10