Thesaurus Term/Concept: SUBAQUEOUS TUNNEL
| Identifier | 138696 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A man-made passageway, which is built through a sea- or riverbed. |
| Identifier | 138696 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A man-made passageway, which is built through a sea- or riverbed. |