<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10Q SEPTEMBER 1994 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAR-31-1994 <PERIOD-END> SEP-30-1994 <CASH> 41882 <SECURITIES> 701220 <RECEIVABLES> 263805 <ALLOWANCES> 3078 <INVENTORY> 47691 <CURRENT-ASSETS> 0 <PP&E> 2273104 <DEPRECIATION> 1005433 <TOTAL-ASSETS> 2506079 <CURRENT-LIABILITIES> 0 <BONDS> 752529 <COMMON> 10000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 698784 <TOTAL-LIABILITY-AND-EQUITY> 2506079 <SALES> 97688 <TOTAL-REVENUES> 684693 <CGS> 53288 <TOTAL-COSTS> 540690 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 1868 <INTEREST-EXPENSE> 33297 <INCOME-PRETAX> 108838 <INCOME-TAX> 39354 <INCOME-CONTINUING> 69484 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 69484 <EPS-PRIMARY> 1.70 <EPS-DILUTED> 1.70