<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <CASH> 1,438,131 <SECURITIES> 0 <RECEIVABLES> 130,076 <ALLOWANCES> 15,000 <INVENTORY> 0 <CURRENT-ASSETS> 1,553,207 <PP&E> 8,559,220 <DEPRECIATION> 7,840,688 <TOTAL-ASSETS> 2,271,739 <CURRENT-LIABILITIES> 165,328 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 2,106,411 <TOTAL-LIABILITY-AND-EQUITY> 2,271,739 <SALES> 287,759 <TOTAL-REVENUES> 325,913 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 229,246 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 4,587 <INCOME-PRETAX> 92,080 <INCOME-TAX> 0 <INCOME-CONTINUING> 92,080 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 92,080 <EPS-PRIMARY> 0 <EPS-DILUTED> 0