<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               JUN-30-1995
<CASH>                                         331,510
<SECURITIES>                                         0
<RECEIVABLES>                                   82,613
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               432,578
<PP&E>                                       5,753,790
<DEPRECIATION>                               2,668,300
<TOTAL-ASSETS>                               3,518,068
<CURRENT-LIABILITIES>                          146,692
<BONDS>                                              0
<COMMON>                                             0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                   3,176,445
<TOTAL-LIABILITY-AND-EQUITY>                 3,518,068
<SALES>                                        817,054
<TOTAL-REVENUES>                               822,285
<CGS>                                          574,257
<TOTAL-COSTS>                                  574,257
<OTHER-EXPENSES>                               159,393
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              16,408
<INCOME-PRETAX>                                 72,227
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             72,227
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    72,227
<EPS-PRIMARY>                                    12.16
<EPS-DILUTED>                                    12.16