<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
September 30, 1995 year to date consolidated financial statements and is
qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-START>                             JAN-01-1995
<PERIOD-END>                               SEP-30-1995
<CASH>                                           4,594
<SECURITIES>                                         0
<RECEIVABLES>                                   58,947
<ALLOWANCES>                                       663
<INVENTORY>                                      2,291
<CURRENT-ASSETS>                                81,958
<PP&E>                                         494,305
<DEPRECIATION>                                 123,441
<TOTAL-ASSETS>                                 455,705
<CURRENT-LIABILITIES>                           50,634
<BONDS>                                        166,381
<COMMON>                                           308
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                     197,973
<TOTAL-LIABILITY-AND-EQUITY>                   455,705
<SALES>                                              0
<TOTAL-REVENUES>                               423,894
<CGS>                                                0
<TOTAL-COSTS>                                  389,668
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0<F1>
<INTEREST-EXPENSE>                               7,326
<INCOME-PRETAX>                                 27,320
<INCOME-TAX>                                    10,450
<INCOME-CONTINUING>                             16,870
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    16,870
<EPS-PRIMARY>                                      .54
<EPS-DILUTED>                                      .54
<FN>
<F1>Provision for doubtful accounts included in costs and expenses applicable
to revenues.
</FN>