<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Consolidated Statements of Income, Consolidated Statements of Financial Position
and Consolidated Statements of Cash Flows and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                           5,827
<SECURITIES>                                         0
<RECEIVABLES>                                   54,271
<ALLOWANCES>                                       727
<INVENTORY>                                     14,533
<CURRENT-ASSETS>                                82,234
<PP&E>                                         415,869
<DEPRECIATION>                                 121,722
<TOTAL-ASSETS>                                 414,759
<CURRENT-LIABILITIES>                           58,922
<BONDS>                                        170,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                      3,255
<COMMON>                                        17,510
<OTHER-SE>                                     123,669
<TOTAL-LIABILITY-AND-EQUITY>                   414,759
<SALES>                                        165,833
<TOTAL-REVENUES>                               183,880
<CGS>                                          141,631
<TOTAL-COSTS>                                  141,631
<OTHER-EXPENSES>                                24,902
<LOSS-PROVISION>                                   209
<INTEREST-EXPENSE>                               3,894
<INCOME-PRETAX>                                 14,553
<INCOME-TAX>                                     4,150
<INCOME-CONTINUING>                             10,403
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    10,403
<EPS-PRIMARY>                                     0.60
<EPS-DILUTED>                                     0.60