<ARTICLE> 5
<LEGEND>
THIS SCHEDULE    CONTAINS    SUMMARY   FINANCIAL INFORMATION EXTRACTED
FROM THE  COMPANY'S  FORM  10-Q FOR THE PERIOD ENDED  SEPTEMBER 30,  1999,
AND IS QUALIFIED IN ITS  ENTIRETY BY  REFERENCE  TO  SUCH FINANCIAL STATEMENTS.

</LEGEND>


                                 
<PERIOD-TYPE>                             9-MOS
<FISCAL-YEAR-END>                   DEC-31-1999
<PERIOD-END>                        SEP-30-1999
<CASH>                                   10,955
<SECURITIES>                                  0
<RECEIVABLES>                            11,210
<ALLOWANCES>                                  0
<INVENTORY>                                 622
<CURRENT-ASSETS>                         28,744
<PP&E>                                   99,462
<DEPRECIATION>                           39,408
<TOTAL-ASSETS>                          101,298
<CURRENT-LIABILITIES>                    21,041
<BONDS>                                       0
<PREFERRED-MANDATORY>                         0
<PREFERRED>                                   0
<COMMON>                                  4,400
<OTHER-SE>                               53,033
<TOTAL-LIABILITY-AND-EQUITY>            101,298
<SALES>                                       0
<TOTAL-REVENUES>                        103,524
<CGS>                                         0
<TOTAL-COSTS>                            97,611
<OTHER-EXPENSES>                          (708)
<LOSS-PROVISION>                              0
<INTEREST-EXPENSE>                          663
<INCOME-PRETAX>                           5,958
<INCOME-TAX>                              2,338
<INCOME-CONTINUING>                       3,620
<DISCONTINUED>                                0
<EXTRAORDINARY>                               0
<CHANGES>                                     0
<NET-INCOME>                              3,620
<EPS-BASIC>                              1.49
<EPS-DILUTED>                              1.49