http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (18 unnumbered pages) : illustrations.
Title from title screen (viewed September 22, 2014).
Ross, Clarence S. (Clarence Samuel), 1880-1975.
Professional paper (Geological Survey (U.S.)) ; no. 185-C
Shorter contributions to general geology ; 1934-35