<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the consolidated balance sheet and the consolidated statement of operations and is qualified in its entirety by reference to such financial statements. </LEGEND> <PERIOD-TYPE> 6-mos <FISCAL-YEAR-END> Dec-31-1998 <PERIOD-END> Jun-30-1998 <CASH> 505,571 <SECURITIES> 0 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 882,802 <PP&E> 10,744,015 <DEPRECIATION> 4,636,373 <TOTAL-ASSETS> 7,272,627 <CURRENT-LIABILITIES> 444,102 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,115,254 <TOTAL-LIABILITY-AND-EQUITY> 7,272,627 <SALES> 0 <TOTAL-REVENUES> 1,057,208 <CGS> 333,970 <TOTAL-COSTS> 477,179 <OTHER-EXPENSES> (10,082) <LOSS-PROVISION> 230,919 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 25,222 <INCOME-TAX> 0 <INCOME-CONTINUING> 25,222 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 25,222 <EPS-PRIMARY> 1.49 <EPS-DILUTED> 1.49