Thesaurus Term/Concept: GRAB DREDGER
| Identifier | 100357 |
|---|---|
| Class | MARITIME CRAFT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A dredger with a grab hung on ropes or chains giving it unlimited depth of excavation. they can lift solids or pieces of wreckages and can work close to ships or to a dock wall. |