<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                       1,961,623
<SECURITIES>                                         0
<RECEIVABLES>                                  702,607
<ALLOWANCES>                                    10,000
<INVENTORY>                                          0
<CURRENT-ASSETS>                             2,654,230
<PP&E>                                      25,635,889
<DEPRECIATION>                              21,000,199
<TOTAL-ASSETS>                               7,289,920
<CURRENT-LIABILITIES>                          629,054
<BONDS>                                        707,842
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   5,953,024
<TOTAL-LIABILITY-AND-EQUITY>                 7,289,920
<SALES>                                      2,823,191
<TOTAL-REVENUES>                             3,909,161
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                             3,122,042
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              76,800
<INCOME-PRETAX>                                710,319
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            710,319
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   710,319
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0