<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FORM 10-Q FOR THE PERIOD ENDED MARCH 31, 1999, AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                           9,696
<SECURITIES>                                         0
<RECEIVABLES>                                    9,379
<ALLOWANCES>                                         0
<INVENTORY>                                        572
<CURRENT-ASSETS>                                25,217
<PP&E>                                          95,323
<DEPRECIATION>                                  38,015
<TOTAL-ASSETS>                                  94,995
<CURRENT-LIABILITIES>                           14,461
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         4,400
<OTHER-SE>                                      50,967
<TOTAL-LIABILITY-AND-EQUITY>                    94,995
<SALES>                                              0
<TOTAL-REVENUES>                                33,961
<CGS>                                                0
<TOTAL-COSTS>                                   31,931
<OTHER-EXPENSES>                                 (310)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 201
<INCOME-PRETAX>                                  2,139
<INCOME-TAX>                                       834
<INCOME-CONTINUING>                              1,305
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,305
<EPS-PRIMARY>                                      .54
<EPS-DILUTED>                                      .54