http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Background concentrations of metals in soils from selected regions in the state of Washington
1 online resource (v, 103 pages) : illustrations, maps.
by Kenneth C. Ames and Edmund A. Prych ; prepared in cooperation with state of Washington Department of Ecology.
Title from title screen (viewed Sept. 7, 2016).
Includes bibliographical references (pages 56-58).
Water-resources investigations report ; 95-4018