<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL STATEMENTS FOR THE PERIOD ENDED SEPTEMBER 30, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-END> SEP-30-1999 <CASH> 23,721 <SECURITIES> 9,643 <RECEIVABLES> 51,653 <ALLOWANCES> 296 <INVENTORY> 12,605 <CURRENT-ASSETS> 110,101 <PP&E> 838,693 <DEPRECIATION> 385,819 <TOTAL-ASSETS> 748,140 <CURRENT-LIABILITIES> 78,900 <BONDS> 401,746 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 6,756 <OTHER-SE> 179,778 <TOTAL-LIABILITY-AND-EQUITY> 748,140 <SALES> 0 <TOTAL-REVENUES> 275,999 <CGS> 0 <TOTAL-COSTS> 240,229 <OTHER-EXPENSES> 23,358 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 23,358 <INCOME-PRETAX> 23,676 <INCOME-TAX> 8,593 <INCOME-CONTINUING> 15,083 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 15,083 <EPS-BASIC> 2.32 <EPS-DILUTED> 2.32<F1><F2> <FN> <F1>Amounts inapplicable or not disclosed as a separate line on the Balance Sheet or Statement of Income are reported as 0 herein. <F2>*Notes and accounts receivable - trade are reported net of allowance for doubtful accounts in the Balance Sheet. </FN>