<ARTICLE>                     5     
<RESTATED>                              
<MULTIPLIER>                                   1,000
       
                             
<PERIOD-TYPE>                                  6-MOS
<FISCAL-YEAR-END>                              DEC-31-1997
<PERIOD-END>                                   JUN-30-1997
<CASH>                                            2,603
<SECURITIES>                                          0
<RECEIVABLES>                                         0
<ALLOWANCES>                                          0
<INVENTORY>                                           0
<CURRENT-ASSETS>                                      0
<PP&E>                                          403,781
<DEPRECIATION>                                   55,233
<TOTAL-ASSETS>                                  370,401
<CURRENT-LIABILITIES>                                 0
<BONDS>                                         214,890
<PREFERRED-MANDATORY>                                 0
<PREFERRED>                                           1
<COMMON>                                             67
<OTHER-SE>                                      108,287
<TOTAL-LIABILITY-AND-EQUITY>                    370,401  
<SALES>                                               0
<TOTAL-REVENUES>                                 39,681
<CGS>                                                 0
<TOTAL-COSTS>                                    12,148
<OTHER-EXPENSES>                                  8,904<F1>
<LOSS-PROVISION>                                      0
<INTEREST-EXPENSE>                                7,779
<INCOME-PRETAX>                                   7,822
<INCOME-TAX>                                          0
<INCOME-CONTINUING>                               5,672
<DISCONTINUED>                                        0
<EXTRAORDINARY>                                       0
<CHANGES>                                             0
<NET-INCOME>                                      5,672
<EPS-PRIMARY>                                       .71
<EPS-DILUTED>                                       .70
        
<FN>
<F1> DEPRECIATION AND AMORTIZATION
</FN>