<ARTICLE> 5
<MULTIPLIER> 1,000
       
                                                  
<PERIOD-TYPE>                   3-MOS                   
<FISCAL-YEAR-END>                          JUL-31-1998  
<PERIOD-END>                               OCT-31-1997  
<CASH>                                          20,976  
<SECURITIES>                                         0  
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<PP&E>                                         291,009  
<DEPRECIATION>                                 139,539  
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<COMMON>                                            87  
<OTHER-SE>                                     109,003  
<TOTAL-LIABILITY-AND-EQUITY>                   379,312  
<SALES>                                        168,735  
<TOTAL-REVENUES>                               168,922  
<CGS>                                          149,733  
<TOTAL-COSTS>                                  155,697  
<OTHER-EXPENSES>                                     0  
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<INCOME-CONTINUING>                              5,207  
<DISCONTINUED>                                       0  
<EXTRAORDINARY>                                      0  
<CHANGES>                                            0  
<NET-INCOME>                                     5,207  
<EPS-PRIMARY>                                      .63  
<EPS-DILUTED>                                      .63