OpenStreetMap for Roman roads? Middle Kingdom cities? 1890s railways? OpenHistoricalMap is aiming to create the most comprehensive, most out-of-date map of everything that’s existed from Then through Now.
Next up in Mapping USAPrevious talk
Chairman of the OSM Foundation Board and OSM US Member Allan Mustard will follow up his keynote presentation at SOTM 2020 with an update on what the Board has done since then...