<TABLE> <S> <C>
<ARTICLE> 5
<MULTIPLIER> 1
<CURRENCY> U.S. Dollars
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-START> JUL-01-1999
<PERIOD-END> JUN-30-2000
<EXCHANGE-RATE> 1
<CASH> 13,890,834
<SECURITIES> 1,581,730
<RECEIVABLES> 4,011,475
<ALLOWANCES> 0
<INVENTORY> 289,743
<CURRENT-ASSETS> 20,039,244
<PP&E> 45,766,007
<DEPRECIATION> 24,025,493
<TOTAL-ASSETS> 43,975,717
<CURRENT-LIABILITIES> 4,992,998
<BONDS> 0
0
0
<COMMON> 251,082
<OTHER-SE> 18,845,484
<TOTAL-LIABILITY-AND-EQUITY> 43,975,717
<SALES> 15,146,195
<TOTAL-REVENUES> 17,146,831
<CGS> 0
<TOTAL-COSTS> 13,267,472
<OTHER-EXPENSES> 2,209,435
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 1,669,924
<INCOME-TAX> 179,520
<INCOME-CONTINUING> 1,490,404
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 1,490,404
<EPS-BASIC> 0.06
<EPS-DILUTED> 0.06
</TABLE>