Topographic mapping (medium scale).
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "Reykjavik 1900", "ellipsoid": { "name": "Danish 1876", "semi_major_axis": 6377019.27, "inverse_flattening": 300 }, "scope": "Topographic mapping (medium scale).", "area": "Iceland - mainland.", "bbox": { "south_latitude": 63.34, "west_longitude": -24.66, "north_latitude": 66.59, "east_longitude": -13.38 }, "id": { "authority": "EPSG", "code": 6657 } }