
<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<EXCHANGE-RATE>                                      1
<CASH>                                           3,188
<SECURITIES>                                         0
<RECEIVABLES>                                   12,202
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                17,893
<PP&E>                                          69,757
<DEPRECIATION>                                (35,677)
<TOTAL-ASSETS>                                 110,143
<CURRENT-LIABILITIES>                           13,503
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           101
<OTHER-SE>                                      36,747
<TOTAL-LIABILITY-AND-EQUITY>                   110,143
<SALES>                                         48,114
<TOTAL-REVENUES>                                48,114
<CGS>                                                0
<TOTAL-COSTS>                                   31,970
<OTHER-EXPENSES>                                 7,099
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               3,708
<INCOME-PRETAX>                                  5,337
<INCOME-TAX>                                     2,252
<INCOME-CONTINUING>                              3,085
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,085
<EPS-PRIMARY>                                      .30
<EPS-DILUTED>                                      .30
        

</TABLE>
