Mapping Pakistan floods Overview of up-to-date map sources: probable flood-affected villages, towns and infrastructure.

In October 2006, John Romero released the map sources under the GNU General Public License.

It is a first-rate text on using map and compass, and it lists many map sources.

The British mathematician-occultist John Dee once asked Mercator about a map source for the Northwest Passage.

Other map sources:

The Mitchell Map was used as a primary map source during the Treaty of Paris for defining the boundaries of the newly independent United States.

A menu of map elements includes the neatline (border), compass rose or north arrow, overview map, bar scale, map projection and information about the map sources, accuracy and publication.

Freytag-Berndt und Artaria Vienna, too, has a celebrated map source, the cartographic publishers and retailers Freytag-Berndt und Artaria.

Maverick for Android can use OSM as a map source.

With an altitude of 6,367 metres (6,369m or 6,370m according to other map sources), the mountain is classified as a trekking peak, but it is considered one of the most difficult to climb.