The book contains cattle, horse, and sheep brands registered as of August 2, 2016. The Oregon brand book is available for free in a web version or you can purchase a print or CD copy. You can download the book here or go to https://www.oregon.gov/ODA/shared/Documents/Publications/AnimalHealth/OregonBrandBook.pdf.
If you wish to obtain a paper or CD copy, send a letter of request with your physical address and the fee to the Livestock Identification Program billing address.
Learn more about Oregon's livestock ID process here. https://www.oregon.gov/ODA/programs/AnimalHealthFeedsLivestockID/LivestockID/Pages/BrandRegistration.aspx