<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> APR-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 69,614 <SECURITIES> 413 <RECEIVABLES> 2,008 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 75,419 <PP&E> 117,330 <DEPRECIATION> (35,183) <TOTAL-ASSETS> 161,476 <CURRENT-LIABILITIES> 30,449 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 117 <OTHER-SE> 126,730 <TOTAL-LIABILITY-AND-EQUITY> 161,476 <SALES> 41,020 <TOTAL-REVENUES> 41,020 <CGS> 29,151 <TOTAL-COSTS> 51,321 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (9,173) <INCOME-TAX> 6 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (9,179) <EPS-PRIMARY> (0.79) <EPS-DILUTED> 0