http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hobbs : 1:100 000-scale topographic map : 30 x 60 minute series (topographic)
edited and published by the Bureau of Land Management.
Relief shown by contours and spot heights.
Shows minerals owned by the Federal government.
Includes location map and indexes to adjoining maps and to 1:24,000-scale maps.