OpenStreetMap US

The JOSM editor can greatly improve your OSM editing workflows, but learning how to use it can be intimidating. Learn to use the basic features of JOSM by mapping swimming pools. Download and install the latest version before the workshop: https://josm.openstreetmap.de/wiki/Download

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Historical Mapping with OpenHistoricalMap, OldInsuranceMaps.net, and Yesterdays

Jan 31, 2026 · Jacob Hall, Mike O'Brien, Jeff Meyer, and Adam Cox

From georeferencing historical Sanborn fire insurance maps on OldInsuranceMaps.net, to georeferencing historical photographs, to mapping through time on OpenHistoricalMap, we’ll share demos and how to get involved.