<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> SEP-30-1997 <EXCHANGE-RATE> 1,000 <CASH> 415 <SECURITIES> 0 <RECEIVABLES> 22,129 <ALLOWANCES> 513 <INVENTORY> 483 <CURRENT-ASSETS> 26,571 <PP&E> 102,794 <DEPRECIATION> 37,922 <TOTAL-ASSETS> 95,907 <CURRENT-LIABILITIES> 30,248 <BONDS> 24,894 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 83 <OTHER-SE> 31,512 <TOTAL-LIABILITY-AND-EQUITY> 95,907 <SALES> 0 <TOTAL-REVENUES> 94,759 <CGS> 0 <TOTAL-COSTS> 84,289 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,560 <INCOME-PRETAX> 7,910 <INCOME-TAX> 3,049 <INCOME-CONTINUING> 4,861 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 4,861 <EPS-PRIMARY> .59 <EPS-DILUTED> .59