<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AT MARCH 31, 1997 (UNAUDITED), JUNE 30, 1997 (UNAUDITED) AND SEPTEMBER
SEPTEMBER 30, 1997 (UNAUDITED) AND THE STATEMENT OF OPERATIONS FOR THE QUARTERLY
PERIOD ENDED MARCH 31, 1997 (UNAUDITED), JUNE 30, 1997 (UNAUDITED) AND SEPTEMBER
30, 1997 (UNAUDITED) AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS INCLUDED AS PART OF ITS QUARTERLY REPORT ON FORM 10-Q FOR
THE PERIOD ENDED MARCH 30, 1997, JUNE 30, 1997 AND SEPTEMBER 30, 1997.
</LEGEND>

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               MAR-31-1997             JUN-30-1997             SEP-30-1997
<CASH>                                         658,115                 663,656                 697,143
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                  341,736                 340,972                 353,985
<ALLOWANCES>                                         0                       0                       0
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                               999,851               1,004,629               1,051,128
<PP&E>                                      17,562,734              17,471,632              17,318,635
<DEPRECIATION>                               6,764,460               6,982,364               7,169,395
<TOTAL-ASSETS>                              11,798,125              11,493,896              11,200,368
<CURRENT-LIABILITIES>                                0                       0                       0
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                             0                       0                       0
<OTHER-SE>                                  11,798,125              11,493,896              11,200,368
<TOTAL-LIABILITY-AND-EQUITY>                11,798,125              11,493,896              11,200,368
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                               329,422                 685,260               1,040,031
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                  264,904                 531,729                 796,068
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                   0                       0                       0
<INCOME-PRETAX>                                 83,744                       0                       0
<INCOME-TAX>                                         0                       0                       0
<INCOME-CONTINUING>                                  0                       0                       0
<DISCONTINUED>                                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                    83,744                 152,876                 257,213
<EPS-PRIMARY>                                        0                       0                       0
<EPS-DILUTED>                                        0                       0                       0


</TABLE>