<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SEC FORM
10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 1999 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                          20,008
<SECURITIES>                                         0
<RECEIVABLES>                                   51,571
<ALLOWANCES>                                     1,266
<INVENTORY>                                      8,799
<CURRENT-ASSETS>                                82,430
<PP&E>                                         630,312
<DEPRECIATION>                                 114,472
<TOTAL-ASSETS>                                 727,506
<CURRENT-LIABILITIES>                           97,005
<BONDS>                                        406,755
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           124
<OTHER-SE>                                     159,899
<TOTAL-LIABILITY-AND-EQUITY>                   727,506
<SALES>                                        280,420
<TOTAL-REVENUES>                               280,420
<CGS>                                          200,028
<TOTAL-COSTS>                                  240,869
<OTHER-EXPENSES>                              (13,931)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              25,994
<INCOME-PRETAX>                                 27,488
<INCOME-TAX>                                    11,380
<INCOME-CONTINUING>                             16,108
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                      (4,903)
<NET-INCOME>                                    11,205
<EPS-BASIC>                                        .93
<EPS-DILUTED>                                      .92