Tag Archives: Political Maps

Historical state boundaries – cShapes

Nils Weidmann at Princeton University and Kristian Skrede Gleditsch at the University of Essex has constructed this historical border dataset. The cShapes package includes all state border changes from 1946 and onward. It provides an excellent dataset to visualize border … Continue reading

Posted in Maps | Tagged , , , , , | Leave a comment

Free maps and baselayers

ArcGIS online resources center provides some very interesting basemaps for free. If you only need some background maps to visualize your information on, then this is a good solution. The service includes both basemaps, reference maps and elevation maps. There … Continue reading

Posted in Maps | Tagged , , , , , , | Leave a comment