http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Some lava flows of the western slope of the Sierra Nevada, California
1 online resource (74 pages, XI pages of plates) : illustrations, maps.
Title from title screen (viewed June 23, 2014).
Includes bibliographical references and index.
Bulletin of the United States Geological Survey ; no. 89