<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998             DEC-31-1997
<PERIOD-START>                             JAN-01-1998             JAN-01-1997
<PERIOD-END>                               MAR-31-1998             MAR-31-1997
<CASH>                                          13,526                   8,929
<SECURITIES>                                         0                       0
<RECEIVABLES>                                    7,323                   7,875
<ALLOWANCES>                                     (436)                   (508)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                     0                       0
<PP&E>                                         978,991                 834,690
<DEPRECIATION>                               (127,075)               (121,780)
<TOTAL-ASSETS>                                 912,709                 757,654
<CURRENT-LIABILITIES>                                0                       0
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           267                     245
<OTHER-SE>                                     455,739                 396,905
<TOTAL-LIABILITY-AND-EQUITY>                   912,709                 757,654
<SALES>                                              0                       0
<TOTAL-REVENUES>                                28,951                  12,025
<CGS>                                                0                       0
<TOTAL-COSTS>                                   13,375                   5,906
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               4,786                   3,426
<INCOME-PRETAX>                                 10,790                   2,693
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                             10,790                   2,693
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                   3,204
<CHANGES>                                            0                       0
<NET-INCOME>                                     8,879<F1>               5,856
<EPS-PRIMARY>                                     0.35                    0.18
<EPS-DILUTED>                                     0.35                    0.18
<FN>
<F1>NET INCOME IS AFTER EQUITY IN LOSS OF UNCONSOLIDATED SUBSIDIARY OF ($1) AND
MINORITY INTERESTS OF ($1,910).
</FN>