Power of Attorney
        Know all by these presents that the undersigned hereby constitutes and appoints each of 
Pamela A. Mull, Eric J. Cremers and Terry L. Carter, signing singly, the undersigned's true and 
lawful attorney-in-fact to:
                (1)     execute for and on behalf of the undersigned, in the undersigned's capacity as an 
officer and/or director of Potlatch Corporation, a Delaware corporation (the "Company"), Forms 
3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the 
rules thereunder;
                (2)     do and perform any and all acts for and on behalf of the undersigned which may be 
necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and execute 
any amendment or 
amendments thereto, and timely file such form with the United States 
Securities and Exchange Commission and any stock exchange or similar authority; and
               (3)     take any other action of any type whatsoever in connection with the foregoing 
which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or 
legally required by, the undersigned, it being understood that the documents executed by such 
attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such 
form and shall contain such terms and conditions as such attorney-in-fact may approve in such 
attorney-in-fact's discretion.
        The undersigned hereby grants to each such attorney-in-fact full power and authority to 
do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes 
as the undersigned might or could do if personally present, with full power of substitution or 
revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-
fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of 
attorney and the rights and powers herein granted. The undersigned acknowledges that the 
foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not 
assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with 
Section 16 of the Securities Exchange Act of 1934.
        This Power of Attorney shall remain in full force and effect until the undersigned is no 
longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and 
transactions in securities
 issued by the Company, unless earlier revoked by the undersigned in a 
signed writing delivered to the foregoing attorneys-in-fact.
        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be 
executed as of this 3rd day of December 2008
                                        
/s/ Boh Dickey
           
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