<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000 <PERIOD-START> JUL-01-2000 JAN-01-2000 <PERIOD-END> SEP-30-2000 SEP-30-2000 <CASH> 0 28,256 <SECURITIES> 0 0 <RECEIVABLES> 0 171,599 <ALLOWANCES> 0 1,017 <INVENTORY> 0 19,407 <CURRENT-ASSETS> 0 243,388 <PP&E> 0 1,499,983 <DEPRECIATION> 0 700,072 <TOTAL-ASSETS> 0 1,046,021 <CURRENT-LIABILITIES> 0 251,342 <BONDS> 0 337,638 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 0 332 <OTHER-SE> 0 397,698 <TOTAL-LIABILITY-AND-EQUITY> 0 1,046,021 <SALES> 92,625 234,793 <TOTAL-REVENUES> 94,941 240,295 <CGS> 51,975 145,779 <TOTAL-COSTS> 51,975 145,779 <OTHER-EXPENSES> 2,810 36,122 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 5,870 17,973 <INCOME-PRETAX> 34,286 40,421 <INCOME-TAX> 13,029 15,361 <INCOME-CONTINUING> 21,257 25,060 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 21,257 25,060 <EPS-BASIC> .64 .76 <EPS-DILUTED> .64 .76