http://egsc.usgs.gov/isb/pubs/booklets/usgsmaps/usgsmaps.html
This is a transcriped map of an overhead view of down town New Orleans, Louisiana. It shows the road systems, block structure, and several notable buildings. It is a planimetric map because it shows strictly the horizontal location of information on the surface, relative to each other. Maps like this one are able to show significant amounts of useful navigational information despite only being a two dimensional horizontal sliver.
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