http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Map I, Greenbrier County showing topography
West Virginia Geological and Economic Survey
West Virginia Geological Survey ; Paul H. Price, state geologist.
"Topographic base from U.S. Geological Survey sheets in cooperation with West Virginia Geological Survey"
Relief shown by contours and spot heights.