<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ITS
CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                          10,892
<SECURITIES>                                         0
<RECEIVABLES>                                   34,027
<ALLOWANCES>                                         0
<INVENTORY>                                     12,233
<CURRENT-ASSETS>                                62,249
<PP&E>                                         546,131
<DEPRECIATION>                                (79,865)
<TOTAL-ASSETS>                                 533,193
<CURRENT-LIABILITIES>                           33,331
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           385
<OTHER-SE>                                     351,968
<TOTAL-LIABILITY-AND-EQUITY>                   533,193
<SALES>                                         61,335
<TOTAL-REVENUES>                                61,335
<CGS>                                           31,195
<TOTAL-COSTS>                                   33,250
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (280)
<INCOME-PRETAX>                                 28,365
<INCOME-TAX>                                   (7,942)
<INCOME-CONTINUING>                             20,423
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    20,423
<EPS-BASIC>                                      $0.53
<EPS-DILUTED>                                    $0.52