The color shaded relief map of the conterminous U.S. was created from 15 arc-second digital elevation model (DEM) data. The data set traces its origins back to the early 1960's when .01 inch scans of
This thematic map of coroplets represents the demographic indicator __Population. Born in the rest of Spain (% of total)__, for the territorial delimitation of __islands__ of the Canary Islands, from
