Geochemical landscapes of the conterminous United States
Subtitle: new map presentations for 22 elements
By: by N. Gustavsson ... [et al.].
Contributors: Gustavsson, N.
Series: U.S. Geological Survey professional paper -- 1648
Publisher: U.S. Geological Survey
Published: 2002
Place of publication: Denver, CO
Language: eng
Number of pages: 38
Subjects: Soils -- United States -- Composition.
Notes: Includes bibliographical references (p. 36-38).

Also available on the Internet.