<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> JUN-30-1997 <CASH> 29,261,746 <SECURITIES> 5,767 <RECEIVABLES> 8,181,851 <ALLOWANCES> 0 <INVENTORY> 957,425 <CURRENT-ASSETS> 39,395,358 <PP&E> 300,771,256 <DEPRECIATION> 49,235,913 <TOTAL-ASSETS> 367,023,460 <CURRENT-LIABILITIES> 47,004,730 <BONDS> 256,042,583 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 356,371 <OTHER-SE> 63,353,016 <TOTAL-LIABILITY-AND-EQUITY> 367,023,460 <SALES> 131,738,423 <TOTAL-REVENUES> 131,738,423 <CGS> 0 <TOTAL-COSTS> 123,813,987 <OTHER-EXPENSES> (996,604) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 15,749,566 <INCOME-PRETAX> (6,828,526) <INCOME-TAX> (1,935,000) <INCOME-CONTINUING> 7,924,436 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (4,893,526) <EPS-PRIMARY> (0.14) <EPS-DILUTED> (0.14)