hy-p:HydroOrderCode
http://inspire.ec.europa.eu/ont/hy-p#HydroOrderCode
skos:definition
http://www.w3.org/2004/02/skos/core#definition
A hydrologically meaningful 'o ...... ercourses and drainage basins.
@en
graph:default
https://triplydb.com/inspire/hy-p/graphs/default