Gilbert H. Grosvenor, National Geographic magazine’s founding editor, is credited with saying: A map is the greatest of all epic poems. Its lines and colors show the realization of great dreams.

GIS can be useful to geographers during geographical enquiry, where it can be used for selecting a location, planning a route or collecting secondary data. It can also be used to add map layers ...

Once this photolettering process was refined, it was applied to our United States map supplement in the May 1933 National Geographic. Shortly thereafter, Society cartographer Charles E.