<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS CUSMMARY FINANCIAL INFORMATION EXTRACTED FROM THE BALANCE SHEET AT JUNE 30, 1997 (UNAUDITED) AND THE STATEMENT OF OPERATIONS FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1997 (UNAUDITED) AND IS QUALIFIED IN ITS ENTIRETY BY REFERNECE TO SUCH FINANCIAL STATEMENTS INCLUDED AS PART OF ITS QUARTERLY REPORT ON FORM 10-Q FOR THE PERIOD JUNE 30, 1997 </LEGEND> <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 1,653,049 <SECURITIES> 0 <RECEIVABLES> 1,044,323 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 2,697,372 <PP&E> 63,405,182 <DEPRECIATION> 17,776,635 <TOTAL-ASSETS> 48,364,211 <CURRENT-LIABILITIES> 551,330 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 47,812,881 <TOTAL-LIABILITY-AND-EQUITY> 48,364,211 <SALES> 0 <TOTAL-REVENUES> 2,743,047 <CGS> 0 <TOTAL-COSTS> 2,009,504 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 0 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 790,446 <EPS-PRIMARY> 0 <EPS-DILUTED> 0