The U.S.Fish and Wildlife Service's Biological Opinion assesses impacts of Federal Columbia River Power System Operations on Kootenai River white sturgeon and bull trout, both threatened species protected under the Endangered Species Act. To open these files, see directions below.

• Biological Opinon (pdf file 226KB) Biop.pdf
• Appendix A: Letter
• Appendix A: Attachment
• Appendix B - Bull Trout Effects Table
• Questions & Answers (pdf file 17KB)
• Summary (pdf file 14KB)
• U.S. Army Corps of Engineers amendment

Directions for using files. There are six files available for your use. All .PDF files are viewable with Adobe Acrobat Reader 4.0 and above. Download document into a folder of your choice