<ARTICLE> 5
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<PERIOD-TYPE>                   3-MOS                   12-MOS
<FISCAL-YEAR-END>                          APR-30-1999             APR-30-1998
<PERIOD-START>                             MAY-01-1998             MAY-01-1997
<PERIOD-END>                               JUL-31-1998             APR-30-1998
<CASH>                                           3,631                   2,161
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<DEPRECIATION>                                  27,389                  26,639
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<OTHER-SE>                                      93,921                 100,537
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<CGS>                                                0                       0
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<INCOME-PRETAX>                                 (5,206)                 12,443
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<EPS-PRIMARY>                                     (.24)                    .34
<EPS-DILUTED>                                     (.24)                    .32