RVR Nature 3 Rain Restraint Basin - Rain Restraint Basin (EU Open Data · Germany)
European open dataset/API (Germany): The data basis for the rain retention basins is provided by Open Street Map. The class basin ([natural=water][water=basin]) was used. OSM data is not official data, but crowd sourced data. Link to the catalogue Green Infrastructure Ruhr Area: https://www.rvr.ruhr/fileadmin/user_upload/01_RVR_Home/02_Themen/Umwelt_Oekol
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