<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> MAR-31-1996 <CASH> 1,249 <SECURITIES> 0 <RECEIVABLES> 31,764 <ALLOWANCES> 0 <INVENTORY> 12,913 <CURRENT-ASSETS> 50,525 <PP&E> 776,494 <DEPRECIATION> (289,137) <TOTAL-ASSETS> 557,525 <CURRENT-LIABILITIES> 41,286 <BONDS> 189,857 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,774 <OTHER-SE> 199,612 <TOTAL-LIABILITY-AND-EQUITY> 557,525 <SALES> 62,022 <TOTAL-REVENUES> 63,862 <CGS> 0 <TOTAL-COSTS> 44,344 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 3,215 <INCOME-PRETAX> 15,177 <INCOME-TAX> 5,843 <INCOME-CONTINUING> 9,334 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 9,334 <EPS-PRIMARY> .38 <EPS-DILUTED> 0