<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from SEC Form
10-Q for quarter ending March 31, 1997 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                          19,321
<SECURITIES>                                         0
<RECEIVABLES>                                   39,207
<ALLOWANCES>                                     1,370
<INVENTORY>                                      6,371
<CURRENT-ASSETS>                                69,777
<PP&E>                                         442,506
<DEPRECIATION>                                  65,935
<TOTAL-ASSETS>                                 501,473
<CURRENT-LIABILITIES>                           79,482
<BONDS>                                        224,848
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           120
<OTHER-SE>                                     143,158
<TOTAL-LIABILITY-AND-EQUITY>                   501,473
<SALES>                                         83,521
<TOTAL-REVENUES>                                83,521
<CGS>                                           65,449
<TOTAL-COSTS>                                   74,944
<OTHER-EXPENSES>                                   734
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,056
<INCOME-PRETAX>                                  3,787
<INCOME-TAX>                                     1,553
<INCOME-CONTINUING>                              2,234
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,234
<EPS-PRIMARY>                                      .19
<EPS-DILUTED>                                      .19