<ARTICLE> 5 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-END> DEC-31-1996 <CASH> 1,058,309 <SECURITIES> 0 <RECEIVABLES> 122,841 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 1,205,613 <PP&E> 6,273,021 <DEPRECIATION> 4,620,543 <TOTAL-ASSETS> 2,878,579 <CURRENT-LIABILITIES> 195,619 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 1,750,399 <TOTAL-LIABILITY-AND-EQUITY> 2,878,579 <SALES> 3,759,250 <TOTAL-REVENUES> 3,818,298 <CGS> 2,318,534 <TOTAL-COSTS> 2,318,534 <OTHER-EXPENSES> 609,186 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 82,683 <INCOME-PRETAX> 807,895 <INCOME-TAX> 0 <INCOME-CONTINUING> 807,895 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 807,895 <EPS-PRIMARY> 159.96 <EPS-DILUTED> 159.96