<ARTICLE> 5

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                         973,720
<SECURITIES>                                         0
<RECEIVABLES>                                  143,282
<ALLOWANCES>                                         0
<INVENTORY>                                     15,193
<CURRENT-ASSETS>                             1,197,218
<PP&E>                                       4,117,637
<DEPRECIATION>                             (4,392,919)
<TOTAL-ASSETS>                               5,803,783
<CURRENT-LIABILITIES>                          720,434
<BONDS>                                      6,800,207
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                 (1,716,858)
<TOTAL-LIABILITY-AND-EQUITY>                 5,803,783
<SALES>                                      2,159,335
<TOTAL-REVENUES>                             2,159,335
<CGS>                                                0
<TOTAL-COSTS>                                2,135,720
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             276,711
<INCOME-PRETAX>                                 23,615
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             23,615
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    23,615
<EPS-BASIC>                                      $5.25
<EPS-DILUTED>                                    $5.25