0001193125-09-213818 10-Q 3 20090930 20091026 20091026 POTLATCH CORP 0001338749 6798 820156045 DE 1231 10-Q 34 001-32729 091137155 601 WEST FIRST AVENUE SUITE 1600 SPOKANE WA 99201 (509) 835-1500 601 WEST FIRST AVENUE SUITE 1600 SPOKANE WA 99201 Potlatch Holdings, Inc. 20050914 10-Q 1 d10q.htm QUARTERLY REPORT ON FORM 10-Q EX-31 2 dex31.htm CERTIFICATIONS PURSUANT TO RULE 13A-14(A)/15D-14(A) EX-32 3 dex32.htm FURNISHED STATEMENTS UNDER SECTION 1350