<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED BALANCE SHEET AT MARCH 31, 2000 AND THE CONSOLIDATED STATEMENT OF OPERATIONS FOR THE THREE MONTHS ENDED MARCH 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> JUN-30-1999 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-31-2000 <CASH> 3,793,286 <SECURITIES> 15,604,430 <RECEIVABLES> 15,936,601 <ALLOWANCES> 567,620 <INVENTORY> 747,919 <CURRENT-ASSETS> 33,682,824 <PP&E> 52,291,025 <DEPRECIATION> 26,558,771 <TOTAL-ASSETS> 85,738,060 <CURRENT-LIABILITIES> 12,023,395 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,734,450 <OTHER-SE> 65,707,055 <TOTAL-LIABILITY-AND-EQUITY> 85,738,060 <SALES> 12,784,115 <TOTAL-REVENUES> 14,030,734 <CGS> 10,930,652 <TOTAL-COSTS> 15,659,015 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 8,734,040 <INCOME-TAX> 3,110,000 <INCOME-CONTINUING> 5,624,040 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,624,040 <EPS-BASIC> 5.15 <EPS-DILUTED> 5.14