<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 2,278,073 <SECURITIES> 0 <RECEIVABLES> 9,132,592 <ALLOWANCES> (4,966,000) <INVENTORY> 0 <CURRENT-ASSETS> 6,582,149 <PP&E> 86,918,532 <DEPRECIATION> (24,577,158) <TOTAL-ASSETS> 62,341,375 <CURRENT-LIABILITIES> 11,533,405 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 220,714 <OTHER-SE> 49,778,134 <TOTAL-LIABILITY-AND-EQUITY> 72,191,437 <SALES> 6,722,000 <TOTAL-REVENUES> 346,000 <CGS> 5,170,000 <TOTAL-COSTS> 5,170,000 <OTHER-EXPENSES> 21,420,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 758,000 <INCOME-PRETAX> (20,280,000) <INCOME-TAX> 0 <INCOME-CONTINUING> (20,280,000) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (20,280,000) <EPS-PRIMARY> (0.920) <EPS-DILUTED> (0.920)