The overall category for working on maps is Category:Wikipedia maps. For categorized maps themselves see Category:Maps. When adding maps to articles, you have two options, you can add a separate map, or add a geo-referenced template that links to several maps depending on the reader's preference. This page is a collection point for map resources for use in Wikipedia. The overall category for working on maps is Category:Wikipedia maps. See also Commons:Map resources. For categorized maps themselves see Category:Maps. To access all the subpages of WikiProject Maps go to Special:PrefixIndex/Wikipedia:WikiProject Maps. )) There is a list of existing map tutorials, more are welcome. French users have provided some, and translations into English would be welcome. also provide six helpful conventions, some strongly supported by specific teams. The tutorials below follow the training of a hypothetical new map maker: the deeper you go, the more complexity and beauty you find. ShareMap.org is community tool that allows creating map on Creative Commons (CC BY 3.0 ) license in SVG format. More information can be found , you have two options, you can add a separate map, or add a geo-referenced template that links to several maps depending on the reader's preference. - Blank boundary maps for all 50 United States including state, county, and county subdivisions in PNG and SVG formats. ( A cartogram is a map in which some thematic mapping variable – such as travel time, population, or Gross National Product – is substituted for land area or distance. The geometry or space of the map is distorted in order to convey the information of this alternate variable. Rail transport is a means of conveyance of passengers and goods, by way of wheeled vehicles running on rails. It is also commonly referred to as train transport. A digital elevation model (DEM) is a digital model or 3D representation of a terrain's surface — commonly for a planet (including Earth), moon, or asteroid — created from terrain elevation data. Let us know what you've done that caused this error, what browser you're using, and whether you have any special extensions/add-ons installed. Source.