<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
financial statements filed as part of the Company's 10-Q and is qualified in its
entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-1997
<PERIOD-END>                               JUN-30-1996
<CASH>                                          11,045
<SECURITIES>                                         0
<RECEIVABLES>                                   88,309
<ALLOWANCES>                                     1,185
<INVENTORY>                                          0
<CURRENT-ASSETS>                               104,824
<PP&E>                                         294,480
<DEPRECIATION>                                 148,836
<TOTAL-ASSETS>                                 268,086
<CURRENT-LIABILITIES>                           65,197
<BONDS>                                         57,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         6,004
<OTHER-SE>                                     127,107
<TOTAL-LIABILITY-AND-EQUITY>                   268,086
<SALES>                                         80,535
<TOTAL-REVENUES>                                80,535
<CGS>                                           65,685
<TOTAL-COSTS>                                   65,685
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 430
<INCOME-PRETAX>                                  6,095
<INCOME-TAX>                                     2,348
<INCOME-CONTINUING>                              3,747
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,747
<EPS-PRIMARY>                                      .16
<EPS-DILUTED>                                      .16