SPECIAL POWER OF ATTORNEY



          KNOW ALL MEN BY THESE PRESENTS:  That I, J.R. SIMPLOT, hereby
constitute and appoint SCOTT R. SIMPLOT or RONALD N. GRAVES my true and lawful
attorney in my name, place and stead, and for my use and benefit as follows:

            For the special purpose of signing all beneficial
            owner filings, and any amendments thereof, as may
            be required to be filed from time to time with
            the Securities and Exchange Commission,

and to sign, seal, execute, deliver and acknowledge such instruments in
writing of whatever kind and nature as may be necessary or proper in the
premises.

          I HEREBY give and grant unto each said attorney full power and
authority to do and perform individually all and every act and thing
whatsoever requisite and necessary to be done, as fully to all intents and
purposes as I might or could do if personally present, and hereby ratify and
confirm all that each said attorney shall lawfully do or cause to be done by
virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 26th
day of October, 2005.




                                        /s/ J.R. Simplot
                                        ------------------------------------
                                        J.R. SIMPLOT