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Current status. Active. Content license. Various. OpenHistoricalMap (also spelled Open Historical Map and abbreviated OHM) is an online collaborative mapping project developing a historical map of the world using OpenStreetMap technology and processes. [4][5][6] Whereas OpenStreetMap only includes data about the present day and deletes data as ...
Maps of Korea. Haedong Samgukdo. Cartography of Switzerland. Dufour Map (1863) Siegfried Map (1895–1926) Cartography of the United States. Americae Sive Quartae Orbis Partis Nova Et Exactissima Descriptio (1562) New and Correct Map of the United States of North America Abel Buell (1784) Samuel Augustus Mitchell (1867)
OpenStreetMap (abbreviated OSM) is a free, open geographic database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and also import from other freely licensed geodata sources.
The Ordnance Survey produces a wide variety of different products aimed at business users, such as utility companies and local authorities. The data is supplied by the Ordnance Survey on optical media or increasingly, via the Internet. Products can be downloaded via FTP or accessed 'on demand' via a web browser.
China Historical Geographic Information System is a project on Imperial China developed by Harvard University and Fudan University. Electronic Cultural Atlas Initiative (ECAI) is a clearinghouse for the exchange of metadata of Historical GIS. Maintained by the University of California, Berkeley. Euratlas History Maps is a historical atlas of ...
Early world maps. The earliest known world maps date to classical antiquity, the oldest examples of the 6th to 5th centuries BCE still based on the flat Earth paradigm. World maps assuming a spherical Earth first appear in the Hellenistic period. The developments of Greek geography during this time, notably by Eratosthenes and Posidonius ...
This is a list of National Historic Landmarks in Ohio and other landmarks of equivalent landmark status in the state. The United States' National Historic Landmark (NHL) program is operated under the auspices of the National Park Service, and recognizes structures, districts, objects, and similar resources according to a list of criteria of national significance. [6]
A historical map may be: an old map (a map that is itself a historical artefact), see history of cartography. a map depicting a specific historical period, see historical atlas.