Thesaurus Term/Concept: BOOM DEFENCE
| Identifier | 131259 |
|---|---|
| Class | DEFENCE OF BRITAIN |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A bar, chain or other obstruction stretched across a waterway to obstruct navigation. |
| Identifier | 131259 |
|---|---|
| Class | DEFENCE OF BRITAIN |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A bar, chain or other obstruction stretched across a waterway to obstruct navigation. |