<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS 9-MOS <FISCAL-YEAR-END> DEC-31-1998 DEC-31-1998 <PERIOD-START> JUL-01-1998 JAN-01-1998 <PERIOD-END> SEP-30-1998 SEP-30-1998 <CASH> 6,658 6,658 <SECURITIES> 0 0 <RECEIVABLES> 16,375 16,375 <ALLOWANCES> 0 0 <INVENTORY> 8,035 8,035 <CURRENT-ASSETS> 35,479 35,479 <PP&E> 275,464 275,464 <DEPRECIATION> (61,684) (61,684) <TOTAL-ASSETS> 251,737 251,737 <CURRENT-LIABILITIES> 18,491 18,491 <BONDS> 60,491 60,491 <PREFERRED-MANDATORY> 0 0 <PREFERRED> 0 0 <COMMON> 207 207 <OTHER-SE> 152,326 152,326 <TOTAL-LIABILITY-AND-EQUITY> 251,737 251,737 <SALES> 28,198 76,234 <TOTAL-REVENUES> 28,198 76,234 <CGS> 17,178 49,698 <TOTAL-COSTS> 21,541 61,608 <OTHER-EXPENSES> 0 0 <LOSS-PROVISION> 0 0 <INTEREST-EXPENSE> 645 2,550 <INCOME-PRETAX> 6,161 12,738 <INCOME-TAX> (2,371) (4,904) <INCOME-CONTINUING> 3,790 7,834 <DISCONTINUED> 0 0 <EXTRAORDINARY> 0 0 <CHANGES> 0 0 <NET-INCOME> 3,790 7,834 <EPS-PRIMARY> 0.18 0.38 <EPS-DILUTED> 0.18 0.38