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OSGeo / proj-datumgrid

Historic repository for proj datum grids. New developments are at https://github.com/OSGeo/PROJ-data
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north-america: add Quebec grids na27na83.gsb and cq77na83.gsb #98

Closed rouault closed 4 years ago

rouault commented 4 years ago

After a patient research by @NicolasCadieux, an employee from Ministère de l'Énergie et des Ressources naturelles du Québec has confirmed that those grids are licensed under CC-BY 4.0