http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Plutonic rocks of the Santa Rita Mountains, southeast of Tucson, Arizona
1 online resource (v, 75 pages) : illustrations, map.
Title from title screen (viewed October 2, 2014).
Includes bibliographical references (page 71) and index.
Geological Survey professional paper ; 915