<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> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> MAR-31-1996 <EXCHANGE-RATE> 1 <CASH> 201,697 <SECURITIES> 0 <RECEIVABLES> 191,326 <ALLOWANCES> 19,401 <INVENTORY> 23,773 <CURRENT-ASSETS> 403,773 <PP&E> 1,372,050 <DEPRECIATION> 584,550 <TOTAL-ASSETS> 1,346,561 <CURRENT-LIABILITIES> 204,332 <BONDS> 355,512 <COMMON> 20,405 <PREFERRED-MANDATORY> 29,267 <PREFERRED> 0 <OTHER-SE> 402,140 <TOTAL-LIABILITY-AND-EQUITY> 1,346,561 <SALES> 343,341 <TOTAL-REVENUES> 419,220 <CGS> 271,198 <TOTAL-COSTS> 329,331 <OTHER-EXPENSES> 21,417 <LOSS-PROVISION> 6,826 <INTEREST-EXPENSE> 9,142 <INCOME-PRETAX> 52,504 <INCOME-TAX> 19,622 <INCOME-CONTINUING> 32,882 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 32,882 <EPS-PRIMARY> 1.61 <EPS-DILUTED> 1.61