http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Great Falls South : 1:100,000-scale planimetric map : 30 x 60 minute series (planimetric)
edited and published by the Bureau of Land Management.
Filing title: Great Falls South, Montana.
Includes location map, indexes to adjoining maps and to 1:24,000-scale maps.