<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS CONTAINED IN THE BODY OF THE ACCOMPANYING FORM 10-Q AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               SEP-30-2000
<CASH>                                           4,471
<SECURITIES>                                         0
<RECEIVABLES>                                   17,074
<ALLOWANCES>                                         0
<INVENTORY>                                        474
<CURRENT-ASSETS>                                25,738
<PP&E>                                         101,568
<DEPRECIATION>                                  50,396
<TOTAL-ASSETS>                                  79,827
<CURRENT-LIABILITIES>                           12,095
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        10,464
<OTHER-SE>                                      45,814
<TOTAL-LIABILITY-AND-EQUITY>                    79,827
<SALES>                                         96,254
<TOTAL-REVENUES>                                96,254
<CGS>                                                0
<TOTAL-COSTS>                                   89,641
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 121
<INCOME-PRETAX>                                  6,589
<INCOME-TAX>                                     2,567
<INCOME-CONTINUING>                              4,022
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     4,022
<EPS-BASIC>                                       0.59
<EPS-DILUTED>                                     0.59