<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AT DECEMBER 31, 1999 AND THE STATEMENT OF OPERATIONS FOR THE TWELVE MONTHS
ENDED DECEMBER 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS INCLUDED AS PART OF ITS ANNUAL REPORT ON FORM 10-K FOR THE
PERIOD DECEMBER 31, 1999.
</LEGEND>

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                       1,019,220
<SECURITIES>                                         0
<RECEIVABLES>                                  914,603
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                             1,933,823
<PP&E>                                      53,013,739
<DEPRECIATION>                              19,537,686
<TOTAL-ASSETS>                              35,409,876
<CURRENT-LIABILITIES>                                0
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                  35,409,876
<TOTAL-LIABILITY-AND-EQUITY>                35,409,876
<SALES>                                              0
<TOTAL-REVENUES>                             4,011,372
<CGS>                                                0
<TOTAL-COSTS>                                3,197,894
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   878,989
<EPS-BASIC>                                          0
<EPS-DILUTED>                                        0