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Basic data on centrally administered rivers, compiled by the river branches of the Water Resources Agency.
Data source: Water Resources Agency, Ministry of Economic Affairs
Original dataset page ↗ · External website
Source download link ↗ · External website
License：Open Government Data License, version 1.0 · Open Government Data License 1.0 ↗
The source does not confirm the coordinate datum. Check its fields or documentation before importing into QGIS. Do not guess an EPSG code or confuse assigning a CRS with transforming coordinates.
CSV with coordinates：CSV: use Add Delimited Text Layer. Set X to longitude/easting and Y to latitude/northing, with the correct EPSG.
XML with coordinates：XML: inspect its structure first. Coordinates alone do not make it a directly readable spatial layer; convert to GeoJSON or coordinate CSV if needed.
JSON：
CSV：
XML：
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