<ARTICLE> 5
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                         534,003
<SECURITIES>                                         0
<RECEIVABLES>                                  508,387
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                      31,982,367
<DEPRECIATION>                              17,141,878
<TOTAL-ASSETS>                              31,785,098
<CURRENT-LIABILITIES>                        2,337,857
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                (10,496,480)
<TOTAL-LIABILITY-AND-EQUITY>                31,785,098
<SALES>                                     17,605,125
<TOTAL-REVENUES>                            17,605,125
<CGS>                                                0
<TOTAL-COSTS>                               14,950,666
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           3,488,367
<INCOME-PRETAX>                            (1,043,449)
<INCOME-TAX>                                         0
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<CHANGES>                                            0
<NET-INCOME>                               (1,043,449)
<EPS-BASIC>                                        0
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