<ARTICLE> 5 <PERIOD-TYPE> 12-MOS 12-MOS <FISCAL-YEAR-END> MAR-31-2000 MAR-31-1999 <PERIOD-END> MAR-31-2000 MAR-31-1999 <CASH> 97,712 96,198 <SECURITIES> 0 0 <RECEIVABLES> 280,296 183,049 <ALLOWANCES> 0 0 <INVENTORY> 0 0 <CURRENT-ASSETS> 393,797 293,615 <PP&E> 10,653,489 10,517,265 <DEPRECIATION> 7,193,967 6,767,865 <TOTAL-ASSETS> 3,853,319 4,043,015 <CURRENT-LIABILITIES> 86,091 601,434 <BONDS> 0 0 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 811,644 811,644 <OTHER-SE> 1,755,584 1,361,937 <TOTAL-LIABILITY-AND-EQUITY> 3,853,319 4,043,015 <SALES> 1,678,961 1,503,623 <TOTAL-REVENUES> 1,689,106 1,516,399 <CGS> 542,789 644,563 <TOTAL-COSTS> 542,789 644,563 <OTHER-EXPENSES> 752,670 1,297,610 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 107,577 151,069 <INCOME-PRETAX> 393,647 (425,774) <INCOME-TAX> 0 0 <INCOME-CONTINUING> 393,647 (425,774) <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 393,647 (425,774) <EPS-BASIC> 0.24 (0.26) <EPS-DILUTED> 0.24 (0.26)