<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>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                           3,848
<SECURITIES>                                         0
<RECEIVABLES>                                   13,125
<ALLOWANCES>                                         0
<INVENTORY>                                        452
<CURRENT-ASSETS>                                21,343
<PP&E>                                          89,247
<DEPRECIATION>                                  42,587
<TOTAL-ASSETS>                                  68,493
<CURRENT-LIABILITIES>                           10,150
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        11,850
<OTHER-SE>                                      37,860
<TOTAL-LIABILITY-AND-EQUITY>                    68,493
<SALES>                                         28,731
<TOTAL-REVENUES>                                28,731
<CGS>                                                0
<TOTAL-COSTS>                                   27,538
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  37
<INCOME-PRETAX>                                  1,190
<INCOME-TAX>                                       469
<INCOME-CONTINUING>                                721
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       721
<EPS-PRIMARY>                                      .10
<EPS-DILUTED>                                      .10