Thesaurus Term/Concept: LISTENING POST
| Identifier | 68889 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A site equipped with instruments or structures, such as sound mirrors, to listen for the approach of enemy aircraft |
| Identifier | 68889 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A site equipped with instruments or structures, such as sound mirrors, to listen for the approach of enemy aircraft |