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<TABLE> <S> <C>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 12,396
<SECURITIES> 0
<RECEIVABLES> 10,705
<ALLOWANCES> 0
<INVENTORY> 923
<CURRENT-ASSETS> 24,457
<PP&E> 93,583
<DEPRECIATION> 46,037
<TOTAL-ASSETS> 80,247
<CURRENT-LIABILITIES> 14,880
<BONDS> 0
0
0
<COMMON> 74
<OTHER-SE> 61,655
<TOTAL-LIABILITY-AND-EQUITY> 80,247
<SALES> 29,508
<TOTAL-REVENUES> 29,857
<CGS> 0
<TOTAL-COSTS> 14,809
<OTHER-EXPENSES> 1,335
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 13,713
<INCOME-TAX> 4,696
<INCOME-CONTINUING> 9,017
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 9,017
<EPS-BASIC> 1.23
<EPS-DILUTED> 1.23
</TABLE>
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