http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Report of U.S. Geological Survey of Territories. Volume VI: Contributions to fossil flora of western territories. Part I
Geological and Geographical Survey of the Territories (U.S.)
Includes detailed descriptions of fossils of the Dakota group of Kansas and Nebraska, by species, with areas where found and some text data on dimensions.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.