comprehensive road network file; roads, streets, etc.
Vector
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Note that some layers are free to download. Others must be requested through the Map and Data Library. All roads can be found for public use at this url http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=932
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The Antarctic Digital Database (ADD) is the premier source of vector topographic data for Antarctica.Users must register to use the data
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The China Historical Geographic Information System (CHGIS) project was launched on January 8th 2001, with funding from the Luce Foundation. The CHGIS will establish a database of historical administrative units for different periods in Chinese… Read more.
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The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers, researchers, and others whose work requires a detailed and acurate knowledge of the depth and… Read more.