<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> MAR-31-1996 <CASH> 409,072 <SECURITIES> 0 <RECEIVABLES> 74,832 <ALLOWANCES> 17,000 <INVENTORY> 0 <CURRENT-ASSETS> 466,904 <PP&E> 6,346,779 <DEPRECIATION> 4,952,877 <TOTAL-ASSETS> 1,860,806 <CURRENT-LIABILITIES> 131,390 <BONDS> 13,027 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 1,716,389 <TOTAL-LIABILITY-AND-EQUITY> 1,860,806 <SALES> 125,078 <TOTAL-REVENUES> 139,506 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 67,665 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 577 <INCOME-PRETAX> 71,264 <INCOME-TAX> 0 <INCOME-CONTINUING> 71,264 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 71,264 <EPS-PRIMARY> 0 <EPS-DILUTED> 0