WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>


<ARTICLE>                     5
<RESTATED>
[LEGEND] THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
JANUARY 31, 1998 CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF
OPERATIONS FOR THE NINE-MONTH PERIOD ENDED JANUARY 31, 1998, AS RESTATED TO
REFLECT ACQUISITIONS ACCOUNTED FOR AS POOLINGS OF INTERESTS, AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS AND THE FOOTNOTES
THERETO.
[/LEGEND]
<MULTIPLIER> 1,000
       
<S>                                          <C>
<PERIOD-TYPE>                                9-MOS
<FISCAL-YEAR-END>                                              APR-30-1998
<PERIOD-START>                                                 MAY-01-1997
<PERIOD-END>                                                   JAN-31-1998
<CASH>                                                                 444
<SECURITIES>                                                             0
<RECEIVABLES>                                                       20,728
<ALLOWANCES>                                                         1,079
<INVENTORY>                                                            664
<CURRENT-ASSETS>                                                    24,080
<PP&E>                                                              82,193
<DEPRECIATION>                                                      42,128
<TOTAL-ASSETS>                                                     184,547
<CURRENT-LIABILITIES>                                               20,426
<BONDS>                                                                  0
<PREFERRED-MANDATORY>                                                    0
<PREFERRED>                                                              0
<COMMON>                                                               148
<OTHER-SE>                                                          82,912
<TOTAL-LIABILITY-AND-EQUITY>                                       184,547
<SALES>                                                                  0
<TOTAL-REVENUES>                                                   100,687
<CGS>                                                                    0
<TOTAL-COSTS>                                                       90,942
<OTHER-EXPENSES>                                                     5,595
<LOSS-PROVISION>                                                       542
<INTEREST-EXPENSE>                                                   5,757
<INCOME-PRETAX>                                                      4,150
<INCOME-TAX>                                                         2,064
<INCOME-CONTINUING>                                                  2,086
<DISCONTINUED>                                                           0
<EXTRAORDINARY>                                                          0
<CHANGES>                                                                0
<NET-INCOME>                                                         2,086
<EPS-PRIMARY>                                                         0.14
<EPS-DILUTED>                                                         0.09

        

</TABLE>
