Map Data
USA/Canada
Map Layers
Warehouse (USA)
Airports, cities and towns, states, county boundaries, railroads, roads,
shaded relief of North America, time zone, water features from the
National Atlas of the United States.
Cartographic
Boundary Files (USA)
Cartographic Boundary Files,
Shapefile, digital outline map files - U.S. Census Bureau.
National Transportation Atlas Data Shapefile Download Center (USA)
The California Spatial Data Library (USA)
Canadian GIS Resources
Leads to free data, advancements in GIS pertaining to Canada and links to web sites of the leading GIS agencies.
World
Select and download free geographic (GIS) data for any country
in the world.
Maps and GIS data (Africa, Asia, South America)
MassGIS
Download Free Data.
Rio
Puerco Data Library
Cartographic Data Sets.
GIS
Data Depot - Free GIS Data
The GIS Data Depot provides
FREE GIS data downloads and creates custom spatial data CD-ROMs for
geographic information systems and cartographic, digital mapping and
spatial analysis applications
Download Free World Basemap Data
Incudes geographic features such as country boundaries, city points, rivers, roads, railroads.
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