<ARTICLE> 5
       
                                                               
<PERIOD-TYPE>                               3-MOS                    YEAR
<FISCAL-YEAR-END>                        DEC-31-1997             DEC-31-1997
<PERIOD-END>                             SEP-30-1997             DEC-31-1997
<CASH>                                      481882                     0
<SECURITIES>                                   0                       0
<RECEIVABLES>                                  0                       0
<ALLOWANCES>                                   0                       0
<INVENTORY>                                    0                       0
<CURRENT-ASSETS>                               0                       0
<PP&E>                                     9791280                     0
<DEPRECIATION>                             6498531                     0
<TOTAL-ASSETS>                             3826357                     0
<CURRENT-LIABILITIES>                          0                       0
<BONDS>                                        0                       0
<COMMON>                                       0                       0
<PREFERRED-MANDATORY>                          0                       0
<PREFERRED>                                    0                       0
<OTHER-SE>                                     0                       0
<TOTAL-LIABILITY-AND-EQUITY>               3826357                     0
<SALES>                                    1455385                     0
<TOTAL-REVENUES>                           1462813                     0
<CGS>                                          0                       0
<TOTAL-COSTS>                                  0                       0
<OTHER-EXPENSES>                               0                       0
<LOSS-PROVISION>                               0                       0
<INTEREST-EXPENSE>                             0                       0
<INCOME-PRETAX>                             352909                     0
<INCOME-TAX>                                   0                       0
<INCOME-CONTINUING>                         352909                     0
<DISCONTINUED>                                 0                      0
<EXTRAORDINARY>                                0                       0
<CHANGES>                                      0                       0
<NET-INCOME>                                352909                     0
<EPS-PRIMARY>                                  0                       0
<EPS-DILUTED>                                  0                       0