<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-1-1997 <PERIOD-END> JUN-30-1997 <CASH> 7,092,000 <SECURITIES> 0 <RECEIVABLES> 1,412,000 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 8,633,000 <PP&E> 91,255,000 <DEPRECIATION> 33,295,000 <TOTAL-ASSETS> 67,113,000 <CURRENT-LIABILITIES> 3,395,000 <BONDS> 42,408,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 21,010,000 <TOTAL-LIABILITY-AND-EQUITY> 67,113,000 <SALES> 0 <TOTAL-REVENUES> 12,254,000 <CGS> 0 <TOTAL-COSTS> 7,725,000 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,166,000 <INCOME-PRETAX> 643,000 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 0 <EPS-PRIMARY> 643,000 <EPS-DILUTED> 10