515-290-9938 ... Hay & Straw Auction every Saturday at 10:00 AM. Held at the Boone, County Fairgrounds in Boone, Iowa. 1601 Industrial Park Road. We have buyers looking for large & small, round & square bales of all kinds. To sell your hay and straw please contact auctioneer Mike Sunstrom at 515-290-9938. Loading & unloading available!