http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1:100 000-scale metric topographic map : 30 x 60 minute series (topographic)
produced by the United States Geological Survey.
Relief shown by contours and spot heights.
Filing title: Rocky Mount, North Carolina.
Includes location map and index to adjoining maps.
Scale 1:100,000. 1 cm. on the map represents 1 km. on the ground ;