<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEETS AT MARCH 31, 1996, JUNE 30, 1996 AND SEPTEMBER 30, 1996 (UNAUDITED) AND
THE STATEMENT OF OPERATIONS FOR THE QUARTERLY PERIOD ENDED MARCH 31, 1996, JUNE
30, 1996 AND SEPTEMBER 30, 1996 (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 MARCH 31, 1996, JUNE 30, 1996 AND SEPTEMBER 30, 1996
ON FORM 10-Q FOR THE RESPECTIVE PERIODS THEN ENDED.
</LEGEND>

<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996
<PERIOD-START>                             JAN-01-1996             JAN-01-1996             JAN-01-1996
<PERIOD-END>                               MAR-31-1996             JUN-30-1996             SEP-30-1996
<CASH>                                         220,333                 330,025                 258,190
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                  171,247                 100,221                  85,714
<ALLOWANCES>                                         0                       0                       0
<INVENTORY>                                          0                       0                       0
<CURRENT-ASSETS>                               391,580                 430,246                 343,904
<PP&E>                                       2,155,493               1,845,746               1,606,686
<DEPRECIATION>                               1,386,272               1,206,312               1,071,673
<TOTAL-ASSETS>                               1,160,801               1,069,680                 878,917
<CURRENT-LIABILITIES>                                0                       0                       0
<BONDS>                                              0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                             0                       0                       0
<OTHER-SE>                                   1,160,801               1,069,680                 878,917
<TOTAL-LIABILITY-AND-EQUITY>                 1,160,801               1,069,680                 878,917
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                                74,763                 133,386                 189,278
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                   32,738                  62,087                  89,036
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0
<INTEREST-EXPENSE>                                   0                       0                       0
<INCOME-PRETAX>                                      0                       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>                                    71,941                 138,608                 200,806
<EPS-PRIMARY>                                        0                       0                       0
<EPS-DILUTED>                                        0                       0                       0


</TABLE>