http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Assessment of polycyclic aromatic hydrocarbon concentrations in southern Lake Powell, Glen Canyon National Recreation Area, Arizona and Utah, 2016-17
1 online resource (v, 26 pages) : illustrations (mostly color), color maps.
"Prepared in cooperation with the National Park Service and the Bureau of Reclamation."
Includes bibliographical references (pages 25-26).
Glen Canyon National Recreation Area (Utah and Ariz.)
Scientific investigations report ; 2019-5065