Thesaurus Term/Concept: SONAR CONTACT
| Identifier | 82797 |
|---|---|
| Class | EVIDENCE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | An object lying on the sea bed detected by marine survey equipment that emits and receives high frequency sound waves. |
| Identifier | 82797 |
|---|---|
| Class | EVIDENCE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | An object lying on the sea bed detected by marine survey equipment that emits and receives high frequency sound waves. |