http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Applications of U.S. Geological Survey digital cartographic products, 1979-1983
Applications of United States Geological Survey digital cartographic products, 1979-1983
1 online resource (v, 44 pages) : illustrations.
Title from title screen (viewed Aug. 1, 2014).