Thesaurus Term/Concept: FLASH LOCK
| Identifier | 91961 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A form of lock on a river, which increased the depth upstream and had a gated opening. |
| Identifier | 91961 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | A form of lock on a river, which increased the depth upstream and had a gated opening. |