<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 27,420 <SECURITIES> 8,208 <RECEIVABLES> 15,002 <ALLOWANCES> (1,564) <INVENTORY> 0 <CURRENT-ASSETS> 63,005 <PP&E> 114,782 <DEPRECIATION> (69,846) <TOTAL-ASSETS> 118,721 <CURRENT-LIABILITIES> 60,902 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 270 <OTHER-SE> 51,817 <TOTAL-LIABILITY-AND-EQUITY> 118,721 <SALES> 0 <TOTAL-REVENUES> 163,937 <CGS> 0 <TOTAL-COSTS> 152,449 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 2,152 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 12,643 <INCOME-TAX> 4,804 <INCOME-CONTINUING> 7,839 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> (2,776) <NET-INCOME> 5,063 <EPS-BASIC> 0.21 <EPS-DILUTED> 0.21