<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> MAR-31-1997 <CASH> 4,644,000 <SECURITIES> 394,367,000 <RECEIVABLES> 107,113,000 <ALLOWANCES> 1,301,000 <INVENTORY> 13,898,000 <CURRENT-ASSETS> 0 <PP&E> 137,593,000 <DEPRECIATION> 43,183,000 <TOTAL-ASSETS> 662,877,000 <CURRENT-LIABILITIES> 0 <BONDS> 63,859,000 <COMMON> 911,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 162,948,000 <TOTAL-LIABILITY-AND-EQUITY> 662,877,000 <SALES> 5,058,000 <TOTAL-REVENUES> 95,087,000 <CGS> 4,993,000 <TOTAL-COSTS> 83,792,000 <OTHER-EXPENSES> 785,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 1,391,000 <INCOME-PRETAX> 4,126,000 <INCOME-TAX> 1,035,000 <INCOME-CONTINUING> 3,091,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,091,000 <EPS-PRIMARY> 1.01 <EPS-DILUTED> 1.01