<ARTICLE>           5
<LEGEND>            THIS SCHEDULE CONTAINS SUMMARY FINANCIAL
                    INFORMATION EXTRACTED FROM THE 
                    COMPANY'S UNAUDITED FINANCIAL STATEMENTS
                    AS OF AND FOR THE PERIOD ENDING
                    SEPTEMBER 30, 1995, AND IS QUALIFIED IN
                    ITS ENTIRETY BY REFERENCE TO SUCH
                    FINANCIAL STATEMENTS 
<MULTIPLIER>        1,000
<FISCAL-YEAR-END>   DEC-31-1995
<PERIOD-END>        SEP-30-1995
<PERIOD-TYPE>       9-MOS


<CASH>                                      8,159
<SECURITIES>                                    0
<RECEIVABLES>                              50,635
<ALLOWANCES>                                    0
<INVENTORY>                                11,514
<CURRENT-ASSETS>                           77,562
<PP&E>                                    246,551
<DEPRECIATION>                            104,989
<TOTAL-ASSETS>                            225,658
<CURRENT-LIABILITIES>                      37,338
<BONDS>                                         0
<COMMON>                                   17,981
<PREFERRED-MANDATORY>                           0
<PREFERRED>                                     0
<OTHER-SE>                                 86,923
<TOTAL-LIABILITY-AND-EQUITY>              225,658
<SALES>                                   297,174
<TOTAL-REVENUES>                          298,018
<CGS>                                     266,256
<TOTAL-COSTS>                               8,485
<OTHER-EXPENSES>                                0
<LOSS-PROVISION>                                0
<INTEREST-EXPENSE>                          4,219
<INCOME-PRETAX>                            19,058
<INCOME-TAX>                                7,149
<INCOME-CONTINUING>                        11,909
<DISCONTINUED>                                  0
<EXTRAORDINARY>                                 0
<CHANGES>                                       0
<NET-INCOME>                               11,909
<EPS-PRIMARY>                                0.66
<EPS-DILUTED>                                0.66