http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bureau of Land Management's surface geophysical capabilities
National Applied Resource Sciences Center (U.S.)
1 online resource (2 unnumbered pages, 2 unnumbered pages of plates) : illustrations (chiefly color).
Resource notes (United States. Bureau of Land Management) ; no. 4