A thematic map (wiki link) is a map that illustrates a particular theme. Most of the "informative" maps we see are thematic maps: weather maps, maps of political results, maps of bicycle paths, etc.
In this article, we'll take a step-by-step look at how to make a thematic map - a choropleth - using free source graphics and free software.
Feeling ironically lost in a world of maps? These critical resources will help you get your bearings!
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