<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FORM CONDENSED 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> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-END> MAR-31-1998 <CASH> 1,214 <SECURITIES> 22,324 <RECEIVABLES> 74,370 <ALLOWANCES> 988 <INVENTORY> 16,164 <CURRENT-ASSETS> 119,328 <PP&E> 476,943 <DEPRECIATION> 204,843 <TOTAL-ASSETS> 463,907 <CURRENT-LIABILITIES> 88,428 <BONDS> 170,802 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 3,091 <OTHER-SE> 145,867 <TOTAL-LIABILITY-AND-EQUITY> 463,907 <SALES> 17,199 <TOTAL-REVENUES> 82,748 <CGS> 12,570 <TOTAL-COSTS> 54,712 <OTHER-EXPENSES> 18,387 <LOSS-PROVISION> 26 <INTEREST-EXPENSE> 2,767 <INCOME-PRETAX> 8,092 <INCOME-TAX> 3,052 <INCOME-CONTINUING> 5,040 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,040 <EPS-PRIMARY> .21 <EPS-DILUTED> .21