<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                       1,349,912
<SECURITIES>                                   313,146
<RECEIVABLES>                                1,901,746
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                             3,564,804
<PP&E>                                      17,526,795
<DEPRECIATION>                               8,609,391
<TOTAL-ASSETS>                              12,482,208
<CURRENT-LIABILITIES>                          368,155
<BONDS>                                      4,660,762
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   7,453,291
<TOTAL-LIABILITY-AND-EQUITY>                12,482,208
<SALES>                                              0
<TOTAL-REVENUES>                             3,573,584
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                             2,012,663
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             294,643
<INCOME-PRETAX>                              1,266,276
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          1,266,276
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 1,266,276
<EPS-PRIMARY>                                        0
<EPS-DILUTED>                                        0