<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                       1,477,895
<SECURITIES>                                         0
<RECEIVABLES>                                  135,402
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                             1,613,297
<PP&E>                                      12,120,577
<DEPRECIATION>                               9,798,064
<TOTAL-ASSETS>                               3,935,810
<CURRENT-LIABILITIES>                          411,991
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   3,523,819
<TOTAL-LIABILITY-AND-EQUITY>                 3,935,810
<SALES>                                              0
<TOTAL-REVENUES>                               905,288
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                               558,277
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                347,011
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            347,011
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   347,011
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0