Thesaurus Term/Concept: FISH LOCK
| Identifier | 91948 | 
|---|---|
| Class | MONUMENT TYPE | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A lock, often containing a fish ladder, which allows fish to swim upstream bypassing a weir or other obstacle. | 
| Identifier | 91948 | 
|---|---|
| Class | MONUMENT TYPE | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A lock, often containing a fish ladder, which allows fish to swim upstream bypassing a weir or other obstacle. |