Thesaurus Term/Concept: FISH LADDER
| Identifier | 91947 | 
|---|---|
| Class | MONUMENT TYPE | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A series of steps designed to enable fish to ascend a fall of water or a dam. | 
| Identifier | 91947 | 
|---|---|
| Class | MONUMENT TYPE | 
| Status | Preferred | 
| Index? | Yes | 
| Scope Note | A series of steps designed to enable fish to ascend a fall of water or a dam. |