<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>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                           1,793
<SECURITIES>                                         0
<RECEIVABLES>                                   15,719
<ALLOWANCES>                                         0
<INVENTORY>                                        504
<CURRENT-ASSETS>                                21,801
<PP&E>                                         100,452
<DEPRECIATION>                                  49,107
<TOTAL-ASSETS>                                  74,876
<CURRENT-LIABILITIES>                           11,345
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        10,945
<OTHER-SE>                                      44,099
<TOTAL-LIABILITY-AND-EQUITY>                    74,876
<SALES>                                         62,157
<TOTAL-REVENUES>                                62,157
<CGS>                                                0
<TOTAL-COSTS>                                   58,333
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  88
<INCOME-PRETAX>                                  3,786
<INCOME-TAX>                                     1,479
<INCOME-CONTINUING>                            (2,307)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,307
<EPS-BASIC>                                       0.34
<EPS-DILUTED>                                     0.34