Selected Sources for Maps and Map Data
UN Cartography Section Maps
CIA maps | CIA Factbook | CIA country maps on the Internet Archive
National Park Maps
USGS The National Map
Natural Earth
Census TIGER/Line Shapefiles
DIVA-GIS | Country Boundary shapefiles | GADM Country/World shapefiles
NOAA Digital Terrain Data
NJ Health Statistics from the Dept. of Health
NJ Economic Data from the Dept. of Labor
NJ Geographic Information network
NJ Dept of Transportation Maps | GIS data
NJ Geological Survey Geodata
NJ DEP Open Data
Environmental Protection Agency in NJ
Geo for All free geospatial education
Open Street Maps
Discover QGIS | download
Inkscape (vector drawing & editing)
Open Street Maps
Map Warper georectifier, and image georeferencer tool
Social Explorer demographic data for the US
SEDAC CIESIN socio-economic maps & data
IPUMS worldwide census data to study change
FAO GeoNetwork - International Geospatial Data
Perry Castenada Map Library
Acme Mapper Google interface with various map overlays