<ARTICLE> 5
       
                                     
<PERIOD-TYPE>                                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                       2,047,098
<SECURITIES>                                         0
<RECEIVABLES>                                1,245,099
<ALLOWANCES>                                  (47,572)
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                      86,596,679
<DEPRECIATION>                            (54,740,733)
<TOTAL-ASSETS>                              37,049,738
<CURRENT-LIABILITIES>                        1,828,168
<BONDS>                                     23,272,240
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                  11,949,330
<TOTAL-LIABILITY-AND-EQUITY>                37,049,738
<SALES>                                              0
<TOTAL-REVENUES>                            36,986,475
<CGS>                                                0
<TOTAL-COSTS>                                4,830,338
<OTHER-EXPENSES>                                20,306
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           1,765,957
<INCOME-PRETAX>                              3,044,075
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          3,044,075
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 3,044,075
<EPS-PRIMARY>                                    28.98
<EPS-DILUTED>                                    28.98