<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                          88,657
<SECURITIES>                                    13,274
<RECEIVABLES>                                    2,578
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               115,810
<PP&E>                                         290,178
<DEPRECIATION>                                 100,004
<TOTAL-ASSETS>                                 473,453
<CURRENT-LIABILITIES>                          124,907
<BONDS>                                         71,238
<PREFERRED-MANDATORY>                          100,000
<PREFERRED>                                          0
<COMMON>                                           210
<OTHER-SE>                                     177,098
<TOTAL-LIABILITY-AND-EQUITY>                   473,453
<SALES>                                              0
<TOTAL-REVENUES>                                97,262
<CGS>                                                0
<TOTAL-COSTS>                                   63,669
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,031
<INCOME-PRETAX>                                (5,409)
<INCOME-TAX>                                   (1,999)
<INCOME-CONTINUING>                            (5,056)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (5,056)
<EPS-BASIC>                                     (0.25)
<EPS-DILUTED>                                   (0.25)

<F1>Includes restricted short-term investments of $30,289.