<ARTICLE> 5
<RESTATED>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JUL-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                           1,718
<SECURITIES>                                         0
<RECEIVABLES>                                   34,014
<ALLOWANCES>                                       533
<INVENTORY>                                      1,697
<CURRENT-ASSETS>                                37,770
<PP&E>                                         120,025
<DEPRECIATION>                                  29,368
<TOTAL-ASSETS>                                 147,034
<CURRENT-LIABILITIES>                           32,492
<BONDS>                                         41,085
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            13
<OTHER-SE>                                      57,817
<TOTAL-LIABILITY-AND-EQUITY>                   147,034
<SALES>                                              0
<TOTAL-REVENUES>                                50,310
<CGS>                                                0
<TOTAL-COSTS>                                   36,808
<OTHER-EXPENSES>                                 3,009
<LOSS-PROVISION>                                    99
<INTEREST-EXPENSE>                               1,639
<INCOME-PRETAX>                                  5,666
<INCOME-TAX>                                     1,772
<INCOME-CONTINUING>                              3,894
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,894
<EPS-PRIMARY>                                     0.31
<EPS-DILUTED>                                     0.26