<ARTICLE> 5 <MULTIPLIER> 1 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> APR-01-1997 <PERIOD-END> JUN-30-1997 <EXCHANGE-RATE> 1 <CASH> 22,292,705 <SECURITIES> 0 <RECEIVABLES> 37,551,746 <ALLOWANCES> 562,779 <INVENTORY> 56,828,774 <CURRENT-ASSETS> 117,327,871 <PP&E> 437,610,160 <DEPRECIATION> 27,337,722 <TOTAL-ASSETS> 552,602,954 <CURRENT-LIABILITIES> 56,652,140 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 478,663 <OTHER-SE> 294,473,659 <TOTAL-LIABILITY-AND-EQUITY> 552,602,954 <SALES> 200,778,275 <TOTAL-REVENUES> 202,378,298 <CGS> 150,180,486 <TOTAL-COSTS> 162,733,178 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,729,899 <INCOME-PRETAX> 35,647,929 <INCOME-TAX> 5,494,214 <INCOME-CONTINUING> 30,153,715 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 30,153,715 <EPS-PRIMARY> .63 <EPS-DILUTED> .63