<ARTICLE>                                      5
<LEGEND>
     This schedule contains summary financial information extracted from the
consolidated balance sheet and the consolidated statement of operations and
is qualified in its entirety by reference to such financial statements.
</LEGEND>

                                            
<PERIOD-TYPE>                                  6-mos
<FISCAL-YEAR-END>                              Dec-31-1998
<PERIOD-END>                                   Jun-30-1999
<CASH>                                         437,623
<SECURITIES>                                   0
<RECEIVABLES>                                  0
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                               777,934
<PP&E>                                         10,922,984
<DEPRECIATION>                                 4,912,161
<TOTAL-ASSETS>                                 7,049,436
<CURRENT-LIABILITIES>                          419,815
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       0
<OTHER-SE>                                     2,004,995
<TOTAL-LIABILITY-AND-EQUITY>                   7,049,436
<SALES>                                        0
<TOTAL-REVENUES>                               1,105,308
<CGS>                                          397,103
<TOTAL-COSTS>                                  472,685
<OTHER-EXPENSES>                               (9,171)
<LOSS-PROVISION>                               228,850
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                                15,841
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            15,841
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   15,841
<EPS-BASIC>                                  .94
<EPS-DILUTED>                                  .94