0001338749-06-000110 4 1 20061201 20061205 20061205 DICKEY BOH A 0001180471 4 34 001-32729 061257089 5098351512 601 W RIVERSIDE AVE SUITE 1100 SPOKANE WA 99201 POTLATCH CORP 0001338749 6798 820156045 DE 1231 601 WEST RIVERSIDE AVENUE SUITE 1100 SPOKANE WA 99201 (509) 835-1500 601 WEST RIVERSIDE AVENUE SUITE 1100 SPOKANE WA 99201 Potlatch Holdings, Inc. 20050914 4 1 edgar.xml PRIMARY DOCUMENT