<ARTICLE> 5 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> SEP-30-1998 <CASH> 20,126,000 <SECURITIES> 3,459,000 <RECEIVABLES> 27,651,000 <ALLOWANCES> 922,000 <INVENTORY> 0 <CURRENT-ASSETS> 60,194,000 <PP&E> 450,926,000 <DEPRECIATION> 149,801,000 <TOTAL-ASSETS> 452,919,000 <CURRENT-LIABILITIES> 52,115,000 <BONDS> 170,632,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,580,000 <OTHER-SE> 223,044,000 <TOTAL-LIABILITY-AND-EQUITY> 452,919,000 <SALES> 32,316,000 <TOTAL-REVENUES> 268,749,000 <CGS> 37,765,000 <TOTAL-COSTS> 221,692,000 <OTHER-EXPENSES> 21,460,000 <LOSS-PROVISION> 226,000 <INTEREST-EXPENSE> 11,827,000 <INCOME-PRETAX> 13,770,000 <INCOME-TAX> 4,903,000 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 8,867,000 <EPS-PRIMARY> 0.34 <EPS-DILUTED> 0.34