<ARTICLE> 5 <MULTIPLIER> 1 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> MAR-31-1996 <CASH> 2,830,694 <SECURITIES> 0 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 2,830,694 <PP&E> 22,395,185 <DEPRECIATION> 18,472,363 <TOTAL-ASSETS> 6,753,516 <CURRENT-LIABILITIES> 597,547 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 6,155,969 <TOTAL-LIABILITY-AND-EQUITY> 6,753,516 <SALES> 5,203,720 <TOTAL-REVENUES> 5,203,720 <CGS> 0 <TOTAL-COSTS> 341,440 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 4,862,280 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 4,862,280 <EPS-PRIMARY> .33 <EPS-DILUTED> 0