<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> 12-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> DEC-31-1996 <EXCHANGE-RATE> 1 <CASH> 159,804 <SECURITIES> 0 <RECEIVABLES> 113,502 <ALLOWANCES> 16,648 <INVENTORY> 61,271 <CURRENT-ASSETS> 399,662 <PP&E> 1,450,741 <DEPRECIATION> 612,573 <TOTAL-ASSETS> 1,421,615 <CURRENT-LIABILITIES> 234,392 <BONDS> 347,313 <PREFERRED-MANDATORY> 29,292 <PREFERRED> 0 <COMMON> 20,442 <OTHER-SE> 407,548 <TOTAL-LIABILITY-AND-EQUITY> 1,421,615 <SALES> 705,462 <TOTAL-REVENUES> 1,007,342 <CGS> 552,658 <TOTAL-COSTS> 780,756 <OTHER-EXPENSES> 81,959 <LOSS-PROVISION> 13,947 <INTEREST-EXPENSE> 34,435 <INCOME-PRETAX> 96,245 <INCOME-TAX> 35,580 <INCOME-CONTINUING> 60,665 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 60,665 <EPS-PRIMARY> 2.97 <EPS-DILUTED> 2.97