<ARTICLE> 5 <RESTATED> <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-START> JAN-01-1995 <PERIOD-END> DEC-31-1995 <CASH> 2,508,295 <SECURITIES> 0 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 2,508,295 <PP&E> 22,395,185 <DEPRECIATION> (18,305,053) <TOTAL-ASSETS> 6,598,427 <CURRENT-LIABILITIES> 1,151,285 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 5,447,142 <TOTAL-LIABILITY-AND-EQUITY> 6,598,427 <SALES> 16,088,936 <TOTAL-REVENUES> 16,197,149 <CGS> 1,367,310 <TOTAL-COSTS> 1,367,310 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 14,829,839 <INCOME-TAX> 0 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 14,829,839 <EPS-PRIMARY> 1.02 <EPS-DILUTED> 0