<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE APRIL
30, 1999 CONSOLIDATED BALANCE SHEET AND CONSOLIDATED STATEMENT OF OPERATIONS FOR
THE YEAR ENDED APRIL 30, 1999, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS AND THE FOOTNOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          APR-30-1999
<PERIOD-START>                             MAY-01-1998
<PERIOD-END>                               APR-30-1999
<CASH>                                           3,917
<SECURITIES>                                         0
<RECEIVABLES>                                   23,240
<ALLOWANCES>                                   (1,430)
<INVENTORY>                                        888
<CURRENT-ASSETS>                                31,779
<PP&E>                                         190,524
<DEPRECIATION>                                  66,147
<TOTAL-ASSETS>                                 270,209
<CURRENT-LIABILITIES>                           24,024
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           155
<OTHER-SE>                                     150,241
<TOTAL-LIABILITY-AND-EQUITY>                   270,209
<SALES>                                              0
<TOTAL-REVENUES>                               173,418
<CGS>                                                0
<TOTAL-COSTS>                                   99,869
<OTHER-EXPENSES>                                52,385
<LOSS-PROVISION>                                 1,640
<INTEREST-EXPENSE>                               4,997
<INCOME-PRETAX>                                 16,609
<INCOME-TAX>                                     7,510
<INCOME-CONTINUING>                              9,099
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,099
<EPS-BASIC>                                       0.61
<EPS-DILUTED>                                     0.58