hy-p:DrainageBasin.origin
http://inspire.ec.europa.eu/ont/hy-p#DrainageBasin.origin
rdfs:comment
http://www.w3.org/2000/01/rdf-schema#comment
EXAMPLE Natural, man-made, etc. NOTE A polder is a drainage basin of man-made origin.
@en
graph:default
https://triplydb.com/inspire/hy-p/graphs/default