<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-31-2000             DEC-31-1999
<PERIOD-START>                             JAN-01-2000             JAN-01-1999
<PERIOD-END>                               MAR-31-2000             MAR-31-1999
<CASH>                                           9,301                   2,463
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   26,343                  16,391
<ALLOWANCES>                                   (1,583)                   (577)
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                     0                       0
<PP&E>                                       1,455,825               1,283,228
<DEPRECIATION>                               (182,453)               (151,939)
<TOTAL-ASSETS>                               1,346,759               1,178,821
<CURRENT-LIABILITIES>                                0                       0
<BONDS>                                        625,342                 459,836
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           262                     276
<OTHER-SE>                                     437,198                 475,027
<TOTAL-LIABILITY-AND-EQUITY>                 1,346,759               1,178,821
<SALES>                                              0                       0
<TOTAL-REVENUES>                                43,764                  37,550
<CGS>                                                0                       0
<TOTAL-COSTS>                                   21,189                  18,011
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               7,828                   5,759
<INCOME-PRETAX>                                 14,747                  13,780
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                             14,747                  13,780
<DISCONTINUED>                                   (305)                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     9,578<F1>               9,910
<EPS-BASIC>                                       0.35                    0.36
<EPS-DILUTED>                                     0.35                    0.36
<FN>
<F1>NET INCOME IS AFTER MONETARY INTERESTS OF ($4,871) AND EQUITY IN INCOME OF
UNCONSOLIDATED SUBSIDIARY OF $7.
</FN>