<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the consolidated statement of earnings and the consolidated balance sheets and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <EXCHANGE-RATE> 1 <CASH> 106,440 <SECURITIES> 0 <RECEIVABLES> 114,040 <ALLOWANCES> 17,505 <INVENTORY> 40,072 <CURRENT-ASSETS> 275,103 <PP&E> 1,561,523 <DEPRECIATION> 696,945 <TOTAL-ASSETS> 1,305,258 <CURRENT-LIABILITIES> 132,358 <BONDS> 291,461 <COMMON> 20,443 <PREFERRED-MANDATORY> 29,343 <PREFERRED> 0 <OTHER-SE> 497,090 <TOTAL-LIABILITY-AND-EQUITY> 1,305,258 <SALES> 407,235 <TOTAL-REVENUES> 535,540 <CGS> 300,676 <TOTAL-COSTS> 407,861 <OTHER-EXPENSES> 41,470 <LOSS-PROVISION> 9,116 <INTEREST-EXPENSE> 15,450 <INCOME-PRETAX> 61,643 <INCOME-TAX> 23,375 <INCOME-CONTINUING> 38,268 <DISCONTINUED> 0 <EXTRAORDINARY> 46,960 <CHANGES> 0 <NET-INCOME> 85,228 <EPS-PRIMARY> 4.17<F1> <EPS-DILUTED> 4.14<F2> <FN> <F1> EPS - Primary is EPS Basic per SFAS 128 <F2> EPS - Fully Diluted is EPS - Diluted per SFAS 128 </FN>