<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> MAR-31-1997 <CASH> 165,786 <SECURITIES> 0 <RECEIVABLES> 54,072 <ALLOWANCES> 22,285 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 1,721,058 <DEPRECIATION> 1,574,834 <TOTAL-ASSETS> 345,180 <CURRENT-LIABILITIES> 0 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 334,976 <TOTAL-LIABILITY-AND-EQUITY> 345,180 <SALES> 0 <TOTAL-REVENUES> 55,705 <CGS> 0 <TOTAL-COSTS> 60,824 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (5,119) <INCOME-TAX> 0 <INCOME-CONTINUING> (5,119) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (5,119) <EPS-PRIMARY> 0 <EPS-DILUTED> 0