
<TABLE> <S> <C>

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<CURRENCY> U.S. DOLLAR
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-START>                             APR-01-1998
<PERIOD-END>                               SEP-30-1998
<EXCHANGE-RATE>                                      1
<CASH>                                               0
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<PP&E>                                          37,369
<DEPRECIATION>                                  22,391
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<CURRENT-LIABILITIES>                           13,069
<BONDS>                                              0
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<COMMON>                                           302
<OTHER-SE>                                      45,153
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<SALES>                                              0
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<CGS>                                                0
<TOTAL-COSTS>                                   77,581
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<DISCONTINUED>                                       0
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<CHANGES>                                            0
<NET-INCOME>                                     2,326
<EPS-PRIMARY>                                     0.64
<EPS-DILUTED>                                     0.57
        

</TABLE>
