/ RDLs / ISO 15926 Part 4: Core reference data - Edition 4 / EARTH TUNNEL

EARTH TUNNEL

Class
Identifier
https://posccaesar.org/ontology/15926-4/4.0/EARTH_TUNNEL
Definition An <EARTH TUNNEL> is a <TUNNEL> that is an underground or underwater passage that is dug or drilled through the earth and having openings at both ends