<ARTICLE>          5
<LEGEND>           THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
                   EXTRACTED FROM THE COMPANY'S UNAUDITED FINANCIAL
                   STATEMENTS AS OF AND FOR THE PERIOD ENDING MARCH 31,
                   1995, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
                   TO SUCH FINANCIAL STATEMENTS
<MULTIPLIER>       1,000
<FISCAL-YEAR-END>  DEC-31-1995
<PERIOD-END>       MAR-31-1995
<PERIOD-TYPE>      3-MOS



<CASH>                                                    30,555
<SECURITIES>                                                   0
<RECEIVABLES>                                             48,968
<ALLOWANCES>                                                   0
<INVENTORY>                                               11,351
<CURRENT-ASSETS>                                          96,596
<PP&E>                                                   232,938
<DEPRECIATION>                                            97,224
<TOTAL-ASSETS>                                           238,276
<CURRENT-LIABILITIES>                                     42,389
<BONDS>                                                   74,425
<PREFERRED-MANDATORY>                                          0
<PREFERRED>                                                    0
<COMMON>                                                  17,977
<OTHER-SE>                                                83,385
<TOTAL-LIABILITY-AND-EQUITY>                             238,276
<SALES>                                                  107,237
<TOTAL-REVENUES>                                         107,571
<CGS>                                                     94,856
<TOTAL-COSTS>                                              2,409
<OTHER-EXPENSES>                                               0
<LOSS-PROVISION>                                               0
<INTEREST-EXPENSE>                                         1,381
<INCOME-PRETAX>                                            8,925
<INCOME-TAX>                                               3,363
<INCOME-CONTINUING>                                        5,562
<DISCONTINUED>                                                 0
<EXTRAORDINARY>                                                0
<CHANGES>                                                      0
<NET-INCOME>                                               5,562
<EPS-PRIMARY>                                               0.31
<EPS-DILUTED>                                               0.31