<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <CASH> 2,890,784 <SECURITIES> 0 <RECEIVABLES> 553,939 <ALLOWANCES> 10,000 <INVENTORY> 0 <CURRENT-ASSETS> 3,444,723 <PP&E> 36,092,315 <DEPRECIATION> 29,957,552 <TOTAL-ASSETS> 9,569,486 <CURRENT-LIABILITIES> 891,670 <BONDS> 938,875 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 7,738,941 <TOTAL-LIABILITY-AND-EQUITY> 9,569,486 <SALES> 0 <TOTAL-REVENUES> 1,721,303 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 1,938,018 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 42,534 <INCOME-PRETAX> (216,715) <INCOME-TAX> 0 <INCOME-CONTINUING> (216,715) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (216,715) <EPS-PRIMARY> 0 <EPS-DILUTED> 0