<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
FORM 10-K MARCH 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAR-31-2000
<PERIOD-END> MAR-31-2000
<CASH> 48,435
<SECURITIES> 0
<RECEIVABLES> 402,386<F1>
<ALLOWANCES> 0
<INVENTORY> 84,614
<CURRENT-ASSETS> 0<F2>
<PP&E> 2,561,110
<DEPRECIATION> 1,178,448
<TOTAL-ASSETS> 3,125,225
<CURRENT-LIABILITIES> 0
<BONDS> 1,137,840
0
0
<COMMON> 10,563
<OTHER-SE> 574,731
<TOTAL-LIABILITY-AND-EQUITY> 3,125,225
<SALES> 188,816
<TOTAL-REVENUES> 1,683,370
<CGS> 111,975
<TOTAL-COSTS> 1,499,091
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 4,601
<INTEREST-EXPENSE> 81,532
<INCOME-PRETAX> 102,747
<INCOME-TAX> 36,922
<INCOME-CONTINUING> 65,825
<DISCONTINUED> 0
<EXTRAORDINARY> 334
<CHANGES> 0
<NET-INCOME> 65,491
<EPS-BASIC> 2.37
<EPS-DILUTED> 2.36
<FN>
<F1>THE VALUE FOR RECEIVABLES REPRESENTS THEIR AMOUNT NET OF THEIR ALLOWANCES.
<F2>AN UNCLASSIFIED BALANCE SHEET EXISTS IN THE REGISTRANT'S FINANCIAL STATEMENTS.
</FN>
</TABLE>