<ARTICLE> 5 <PERIOD-TYPE> YEAR YEAR <FISCAL-YEAR-END> DEC-31-1993 DEC-31-1994 <PERIOD-END> DEC-31-1993 DEC-31-1994 <CASH> 1,870,476 958,005 <SECURITIES> 0 0 <RECEIVABLES> 478,536 411,307 <ALLOWANCES> 113,000 60,000 <INVENTORY> 0 0 <CURRENT-ASSETS> 2,236,012 1,309,312 <PP&E> 18,020,996 15,830,989 <DEPRECIATION> 11,753,129 10,675,416 <TOTAL-ASSETS> 8,503,879 6,464,885 <CURRENT-LIABILITIES> 719,470 626,973 <BONDS> 591,954 223,620 <COMMON> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <OTHER-SE> 7,192,455 5,614,292 <TOTAL-LIABILITY-AND-EQUITY> 8,503,879 6,464,885 <SALES> 0 0 <TOTAL-REVENUES> 2,652,999 2,098,829 <CGS> 0 0 <TOTAL-COSTS> 0 0 <OTHER-EXPENSES> 2,206,888 1,376,330 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 58,308 23,228 <INCOME-PRETAX> 0 0 <INCOME-TAX> 0 0 <INCOME-CONTINUING> 387,803 699,271 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 387,803 699,271 <EPS-PRIMARY> 0 0 <EPS-DILUTED> 0 0