http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Summary of estimated water use in the United States in 2010
1 online resource (2 unnumbered pages) : color illustrations, color maps.
Includes bibliographical reference (page [2]).
Fact sheet (Geological Survey (U.S.)) ; 2014-3109