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Shining a light: basic strategies for local historical mapping | OpenStreetMap US
https://openstreetmap.us/events/state-of-the-map-us/2025/shining-a-light-basic-strategies-for-local-historical-mapping/
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For centuries, Boston Light has peered through the fog as a guide to mariners in the harbor. Every contribution you make to OpenHistoricalMap will serve as a landmark to guide other local historical mappers ...
