<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED CONDENSED BALANCE SHEET AT JULY 31, 1996 AND THE UNAUDITED CONDENSED
STATEMENT OF OPERATIONS FOR THE SIX MONTHS ENDED JULY 31, 1996 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>  1,000
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JAN-31-1997
<PERIOD-START>                             FEB-01-1996
<PERIOD-END>                               JUL-31-1996
<CASH>                                          88,641
<SECURITIES>                                         0
<RECEIVABLES>                                   42,998
<ALLOWANCES>                                         0
<INVENTORY>                                     29,025
<CURRENT-ASSETS>                               197,242
<PP&E>                                       2,596,653
<DEPRECIATION>                               1,371,969
<TOTAL-ASSETS>                               1,482,229
<CURRENT-LIABILITIES>                          159,728
<BONDS>                                      1,155,406
<COMMON>                                             0
<PREFERRED-MANDATORY>                               96
<PREFERRED>                                          0
<OTHER-SE>                                      21,234
<TOTAL-LIABILITY-AND-EQUITY>                 1,482,229
<SALES>                                        184,329
<TOTAL-REVENUES>                               192,091
<CGS>                                           73,390
<TOTAL-COSTS>                                   83,473
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              54,121
<INCOME-PRETAX>                                113,108
<INCOME-TAX>                                     7,788
<INCOME-CONTINUING>                            105,320
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   105,320
<EPS-PRIMARY>                                   11,702
<EPS-DILUTED>                                        0