<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <CASH> 1,717,996 <SECURITIES> 0 <RECEIVABLES> 151,105 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,869,101 <PP&E> 50,631,214 <DEPRECIATION> 40,806,069 <TOTAL-ASSETS> 11,694,246 <CURRENT-LIABILITIES> 192,775 <BONDS> 3,288,050 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 8,273,421 <TOTAL-LIABILITY-AND-EQUITY> 11,694,246 <SALES> 683,102 <TOTAL-REVENUES> 713,123 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 969,276 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 73,305 <INCOME-PRETAX> (329,458) <INCOME-TAX> 0 <INCOME-CONTINUING> (329,458) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (329,458) <EPS-PRIMARY> 0 <EPS-DILUTED> 0