http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Effects of Barred Owl (Strix varia) removal on population demography of Northern Spotted Owls (Strix occidentalis caurina) in Washington and Oregon, 2015-18
1 online resource (vi, 17 pages) : color illustrations, one color map.
Includes bibliographical references (pages 13-15).
U.S. Geological Survey open-file report ; 2019-1074