0001186659-04-000001 4 1 20040614 20040616 WHITNEY EVANS Q 0001186659 4 34 000-20288 04865504 1301 A STREET MS 3100 TACOMA WA 98402-4200 COLUMBIA BANKING SYSTEM INC 0000887343 6022 911422237 WA 1231 1102 BROADWAY PLAZA TACOMA WA 98402 2533051900 1102 BROADWAY PLAZA TACOMA WA 98402 4 1 edgar.xml PRIMARY DOCUMENT