http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology and ground waters of the western part of San Diego County, California
1 online resource (321 pages) : illustrations, maps.
"Prepared in cooperation with the Department of Engineering of the State of California and the City of San Diego."
Includes bibliographical references and index.
Water-supply paper (Washington, D.C.) ; no. 446