<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1995 <PERIOD-END> JUN-30-1995 <CASH> 11,518 <SECURITIES> 26,039 <RECEIVABLES> 0 <ALLOWANCES> 0 <INVENTORY> 34,089 <CURRENT-ASSETS> 94,472 <PP&E> 319,903 <DEPRECIATION> 151,113 <TOTAL-ASSETS> 276,644 <CURRENT-LIABILITIES> 40,669 <BONDS> 0 <COMMON> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 276,644 <SALES> 151,558 <TOTAL-REVENUES> 151,558 <CGS> 104,627 <TOTAL-COSTS> 137,797 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 3,381 <INCOME-TAX> 1,082 <INCOME-CONTINUING> 2,299 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,299 <EPS-PRIMARY> 0.20 <EPS-DILUTED> 0