<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                       7,365,968
<SECURITIES>                                 4,987,233
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                            12,353,201
<PP&E>                                      41,656,637
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                              54,009,838
<CURRENT-LIABILITIES>                          183,563
<BONDS>                                        965,960
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                  52,860,315
<TOTAL-LIABILITY-AND-EQUITY>                54,009,838
<SALES>                                      5,808,418
<TOTAL-REVENUES>                             6,145,701
<CGS>                                          992,142
<TOTAL-COSTS>                                  992,142
<OTHER-EXPENSES>                             1,155,847
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                              3,997,712
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                          3,997,712
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 3,997,712
<EPS-PRIMARY>                                    48.03
<EPS-DILUTED>                                    48.03