http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology and ore deposits of the San Francisco and adjacent districts, Utah
1 online resource (212 pages) : illustrations, maps + 1 plate.
Includes bibliographical references and index.
Butler, B.S. (Bert Sylvenus), 1877-1960.
Washington : U.S. Gov't. Print. Off., 1913
Professional paper (Geological Survey (U.S.)) ; no. 80