The vector map layers data, included in the archive, originated from Gazetteer of Planetary Nomenclature of International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN), which published on USGS site: http://planetarynames.wr.usgs.gov. The MARS_nomenclature.zip file was used from the site, which contains shape-file representation.
The datum presented here in form of .VML-files (stands Vector Map Layer), which is proprietary compressed format of author of the datum.
Additionally the datum contains data for both Polar Regions of Mars re-projected to Polar Stereographic projection. Areas of this re-projecting coincide with respective areas for raster elevation data of MOLA instrument of MGS mission for respective Polar Regions.
MarsLayers.zip - Size: 193,099 bytes (188 KB); MD5: 90B6B91E08B702F8022752B04449AE4C.
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