<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED STATEMENTS OF INCOME AND THE CONSOLIDATED BALANCE SHEETS ON PAGES
25 - 27 OF EXHIBIT 13.1 OF THE COMPANY'S FORM 10-K FOR THE YEAR ENDED MAY 31, 
1995, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL 
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1995
<PERIOD-START>                             JUN-01-1994  
<PERIOD-END>                               MAY-31-1995
<CASH>                                         357,548
<SECURITIES>                                         0
<RECEIVABLES>                                1,161,427
<ALLOWANCES>                                    31,173
<INVENTORY>                                    193,251
<CURRENT-ASSETS>                             1,869,082
<PP&E>                                       7,697,711
<DEPRECIATION>                               3,982,467
<TOTAL-ASSETS>                               6,433,372
<CURRENT-LIABILITIES>                        1,778,535
<BONDS>                                      1,324,711
<COMMON>                                         5,617
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                   2,239,952
<TOTAL-LIABILITY-AND-EQUITY>                 6,433,372
<SALES>                                              0
<TOTAL-REVENUES>                             9,392,073
<CGS>                                                0
<TOTAL-COSTS>                                8,800,929
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             114,687
<INCOME-PRETAX>                                522,084
<INCOME-TAX>                                   224,496
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   297,588
<EPS-PRIMARY>                                     5.27
<EPS-DILUTED>                                     5.27