<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEETS AND STATEMENTS OF EARNINGS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               SEP-30-1994<F1>
<CASH>                                           7,299
<SECURITIES>                                         0
<RECEIVABLES>                                   39,115
<ALLOWANCES>                                       393
<INVENTORY>                                      8,686
<CURRENT-ASSETS>                                83,372
<PP&E>                                         455,495
<DEPRECIATION>                                 146,576
<TOTAL-ASSETS>                                 644,738
<CURRENT-LIABILITIES>                           58,482
<BONDS>                                         55,773
<COMMON>                                         3,076
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                     212,267
<TOTAL-LIABILITY-AND-EQUITY>                   644,738
<SALES>                                         26,390
<TOTAL-REVENUES>                               306,192
<CGS>                                           20,477
<TOTAL-COSTS>                                  249,574
<OTHER-EXPENSES>                                41,400
<LOSS-PROVISION>                                   162
<INTEREST-EXPENSE>                               6,121
<INCOME-PRETAX>                                 15,348
<INCOME-TAX>                                     5,651
<INCOME-CONTINUING>                              9,696
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,696
<EPS-PRIMARY>                                      .34
<EPS-DILUTED>                                      .34
<FN>
<F1>ALL INSURANCE ASSETS AND LIABILITIES OTHER THAN CASH ARE ASSUMED TO BE
NON-CURRENT.
</FN>