<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY 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 PERIODS 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 RESPECTIVE PERIODS THEN ENDED.
</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> 731,025 687,208 804,961
<SECURITIES> 0 0 0
<RECEIVABLES> 436,186 479,088 354,926
<ALLOWANCES> 0 0 0
<INVENTORY> 0 0 0
<CURRENT-ASSETS> 1,167,211 1,166,296 1,159,887
<PP&E> 12,011,539 11,773,836 11,639,919
<DEPRECIATION> 4,932,411 5,001,861 5,111,441
<TOTAL-ASSETS> 8,246,339 7,938,271 7,688,365
<CURRENT-LIABILITIES> 1,080 0 0
<BONDS> 0 0 0
<PREFERRED-MANDATORY> 0 0 0
<PREFERRED> 0 0 0
<COMMON> 0 0 0
<OTHER-SE> 8,245,259 7,938,271 7,688,365
<TOTAL-LIABILITY-AND-EQUITY> 8,246,339 7,938,271 7,688,365
<SALES> 0 0 0
<TOTAL-REVENUES> 456,311 841,084 1,206,121
<CGS> 0 0 0
<TOTAL-COSTS> 181,295 359,928 537,810
<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> 321,074 544,698 777,642
<EPS-PRIMARY> 0 0 0
<EPS-DILUTED> 0 0 0