<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-31-1999 DEC-31-1998 <PERIOD-START> JAN-01-1999 JAN-01-1998 <PERIOD-END> MAR-31-1999 MAR-31-1998 <CASH> 2,463 13,526 <SECURITIES> 0 0 <RECEIVABLES> 16,391 7,323 <ALLOWANCES> (577) (436) <INVENTORY> 0 0 <CURRENT-ASSETS> 0 0 <PP&E> 1,283,228 978,991 <DEPRECIATION> (151,939) (127,075) <TOTAL-ASSETS> 1,178,821 912,709 <CURRENT-LIABILITIES> 0 0 <BONDS> 459,836 296,959 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 276 267 <OTHER-SE> 475,027 455,739 <TOTAL-LIABILITY-AND-EQUITY> 1,178,821 912,709 <SALES> 0 0 <TOTAL-REVENUES> 37,550 29,353 <CGS> 0 0 <TOTAL-COSTS> 18,011 13,777 <OTHER-EXPENSES> 0 0 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 5,759 4,786 <INCOME-PRETAX> 13,780 10,790 <INCOME-TAX> 0 0 <INCOME-CONTINUING> 13,780 10,790 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 9,910<F1> 8,879 <EPS-PRIMARY> 0.36 0.35 <EPS-DILUTED> 0.36 0.35 <FN> <F1>NET INCOME IS AFTER MINORITY INTERESTS OF ($3,870). </FN>