<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 40,974,000 <SECURITIES> 0 <RECEIVABLES> 68,854,000 <ALLOWANCES> 6,418,000 <INVENTORY> 0 <CURRENT-ASSETS> 107,003,000 <PP&E> 493,643,000 <DEPRECIATION> 87,804,000 <TOTAL-ASSETS> 552,900,000 <CURRENT-LIABILITIES> 135,291,000 <BONDS> 285,000,000 <PREFERRED-MANDATORY> 98,010,000 <PREFERRED> 12,550 <COMMON> 308,000 <OTHER-SE> 12,587,000 <TOTAL-LIABILITY-AND-EQUITY> 552,900,000 <SALES> 0 <TOTAL-REVENUES> 172,775,000 <CGS> 0 <TOTAL-COSTS> 143,132,000 <OTHER-EXPENSES> 58,596,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 15,760,000 <INCOME-PRETAX> (48,940) <INCOME-TAX> 252,000 <INCOME-CONTINUING> (48,688) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (48,688) <EPS-PRIMARY> (1.67) <EPS-DILUTED> (1.67)