<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from SEC Form
10-Q for quarter ending March 31, 1998 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          17,229
<SECURITIES>                                         0
<RECEIVABLES>                                   45,715
<ALLOWANCES>                                     1,202
<INVENTORY>                                      6,778
<CURRENT-ASSETS>                                76,388
<PP&E>                                         509,402
<DEPRECIATION>                                  82,340
<TOTAL-ASSETS>                                 595,461
<CURRENT-LIABILITIES>                           72,698
<BONDS>                                        315,749
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           124
<OTHER-SE>                                     146,857
<TOTAL-LIABILITY-AND-EQUITY>                   595,461
<SALES>                                         74,912
<TOTAL-REVENUES>                                74,912
<CGS>                                           55,495
<TOTAL-COSTS>                                   65,118
<OTHER-EXPENSES>                                   793
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               5,455
<INCOME-PRETAX>                                  3,546
<INCOME-TAX>                                     1,525
<INCOME-CONTINUING>                              2,021
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                  (299)
<CHANGES>                                            0
<NET-INCOME>                                     1,722
<EPS-PRIMARY>                                      .14
<EPS-DILUTED>                                      .14