http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Pollution effects on adult steelhead migration in the Snake River
1 online resource (vii, 101 pages) : illustrations.
"Prepared for Office of Research and Development, U.S. Environmental Protection Agency."
Includes bibliographical references (pages 57-58).
Research reporting series. EPA/600/3-73-017