<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 8,277 <SECURITIES> 0 <RECEIVABLES> 32,465 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 738,660 <DEPRECIATION> 199,381 <TOTAL-ASSETS> 1,121,641 <CURRENT-LIABILITIES> 0 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 512,754 <OTHER-SE> 46,422 <TOTAL-LIABILITY-AND-EQUITY> 1,121,641 <SALES> 158,075 <TOTAL-REVENUES> 158,075 <CGS> 133,721 <TOTAL-COSTS> 141,751 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 6,490 <INCOME-PRETAX> 12,680 <INCOME-TAX> 4,312 <INCOME-CONTINUING> 8,368 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 8,368 <EPS-BASIC> 0.49 <EPS-DILUTED> 0.49