Editing Incubator escapee wiki:WikiProject Maps/Source materials (section)

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*[http://www.lib.utexas.edu/maps/ Perry-Castañeda Library Map Collection]. Most of the maps scanned by the General Libraries and served from this web site are in the public domain. They can be tagged with {{ticm|PCL}} but also needs the appropriate copyright tag which depends on the source.
*[https://github.com/GenericMappingTools/gmt GMT (Generic Mapping Tools)] GPL'd software for generating maps. Comes with map data derived from two public domain databases. 
* [http://www.un.org/Depts/Cartographic/english/htmain.htm United Nations Cartographic Section] has many free maps in PDF format, at least some with the layers intact. However most UN maps are under UN copyright, so check before uploading.  See [http://www.un.org/Depts/Cartographic/english/htmain.htm here] for their policy, [http://www.un.org/Depts/Cartographic/english/about.htm this page] about requesting permission.
* [http://www.archive.org/details/maps_usgs USGS Maps]. Every USGS topographic map available for free download from the Internet Archive.
* [[OpenStreetMap]] - CC-BY-SA 2.0 vector map data collected by GPS
* [http://www.maplibrary.org/library/index.htm The Map Library] - Maps for Central America and Africa. Tag with {{ticm|PD-MapLibrary}}
* [http://www.ginkgomaps.com/index_en.php5 GinkgoMaps - Free Digital Maps] published under the [[Creative Commons Attribution|CC-by]] Licence 
* [[:Category:Wikipedia geographic image maps]]
* PAT public domain maps: [http://ian.macky.net/pat/map/world.html world],  [http://ian.macky.net/pat/map/region.html regional], [http://ian.macky.net/pat/map/country.html country] state ([http://ian.macky.net/pat/map/us/state.html US], [http://ian.macky.net/pat/map/ca/province.html CA], [http://ian.macky.net/pat/map/au/state.html AU])