<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          96,139
<SECURITIES>                                       400
<RECEIVABLES>                                   26,168
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               122,707
<PP&E>                                       3,011,349
<DEPRECIATION>                                 843,483
<TOTAL-ASSETS>                               2,290,573
<CURRENT-LIABILITIES>                            4,382
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                   2,148,238
<TOTAL-LIABILITY-AND-EQUITY>                 2,290,573
<SALES>                                              0
<TOTAL-REVENUES>                                72,966
<CGS>                                                0
<TOTAL-COSTS>                                   44,980
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 27,986
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             27,986
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    27,986
<EPS-PRIMARY>                                     0.17
<EPS-DILUTED>                                     0.17