Title from PDF title screen (viewed on July 25, 2005).
"Prepared in cooperation with the Idaho Department of Fish and Game and the Bonneville Power Administration"--PDF cover.
Includes bibliographical references.
Mode of access: Internet at the USGS web site. Address as of 9/2/08: http://pubs.usgs.gov/sir/2005/5110/pdf/sir20055110.pdf ; current access is available via PURL.