ad:HeightAboveGround
http://inspire.ec.europa.eu/ont/bu-base#HeightAboveGround
skos:definition
http://www.w3.org/2004/02/skos/core#definition
Vertical distance (measured or estimated) between a low reference and a high reference.
@en
graph:default
https://triplydb.com/inspire/bu-base/graphs/default