<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> SEP-30-1996 <CASH> 1,465 <SECURITIES> 0 <RECEIVABLES> 19,430 <ALLOWANCES> 0 <INVENTORY> 18,056 <CURRENT-ASSETS> 47,008 <PP&E> 841,065 <DEPRECIATION> (308,319) <TOTAL-ASSETS> 598,374 <CURRENT-LIABILITIES> 32,862 <BONDS> 233,357 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,774 <OTHER-SE> 199,720 <TOTAL-LIABILITY-AND-EQUITY> 598,374 <SALES> 123,581 <TOTAL-REVENUES> 128,418 <CGS> 0 <TOTAL-COSTS> 96,567 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 9,097 <INCOME-PRETAX> 20,060 <INCOME-TAX> 7,723 <INCOME-CONTINUING> 12,337 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 12,337 <EPS-PRIMARY> .50 <EPS-DILUTED> 0