
<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the Form
10-Q for the quarter ended March 31, 1996 and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                                        <C>
<PERIOD-TYPE>                              3-MOS
<FISCAL-YEAR-END>                          SEP-30-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                           8,235
<SECURITIES>                                         0
<RECEIVABLES>                                   11,787
<ALLOWANCES>                                         0
<INVENTORY>                                      4,891
<CURRENT-ASSETS>                                36,130
<PP&E>                                         208,094
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 390,735
<CURRENT-LIABILITIES>                           33,097
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           100
<OTHER-SE>                                     193,920
<TOTAL-LIABILITY-AND-EQUITY>                   390,735
<SALES>                                              0
<TOTAL-REVENUES>                                91,232
<CGS>                                                0
<TOTAL-COSTS>                                   42,790
<OTHER-EXPENSES>                                 4,372
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,158
<INCOME-PRETAX>                                 39,724
<INCOME-TAX>                                    16,672
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    23,052
<EPS-PRIMARY>                                     2.24
<EPS-DILUTED>                                        0
        

</TABLE>
