<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>