<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE
SHEET AT MARCH 31, 1997, JUNE 30, 1997 AND SEPTEMBER 30, 1997 (UNAUDITED) AND
THE STATEMENT OF OPERATIONS FOR THE QUARTERLY PERIOD ENDED MARCH 31, 1997
JUNE 30, 1997 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 MARCH 31, 1997, JUNE 30, 1997 AND
SEPTEMBER 30, 1997.
</LEGEND>
<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> 1,800,236 1,643,443 1,599,296
<SECURITIES> 0 0 0
<RECEIVABLES> 974,764 908,599 811,339
<ALLOWANCES> 0 0 0
<INVENTORY> 0 0 0
<CURRENT-ASSETS> 2,775,000 2,552,042 2,410,635
<PP&E> 35,937,914 35,909,301 35,954,273
<DEPRECIATION> 9,654,928 10,157,348 10,661,804
<TOTAL-ASSETS> 29,189,095 28,399,942 27,763,889
<CURRENT-LIABILITIES> 75,000 75,000 75,000
<BONDS> 0 0 0
<PREFERRED-MANDATORY> 0 0 0
<PREFERRED> 0 0 0
<COMMON> 0 0 0
<OTHER-SE> 29,114,095 28,324,942 27,688,889
<TOTAL-LIABILITY-AND-EQUITY> 29,189,095 28,399,942 27,763,889
<SALES> 0 0 0
<TOTAL-REVENUES> 1,061,220 2,023,197 2,956,602
<CGS> 0 0 0
<TOTAL-COSTS> 576,702 1,152,877 1,730,870
<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> 518,666 922,383 1,321,319
<EPS-PRIMARY> 0 0 0
<EPS-DILUTED> 0 0 0