Thesaurus Term/Concept: BALANCE BEAM
| Identifier | 91117 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | The horizontal beam on a lock gate. |
| Identifier | 91117 |
|---|---|
| Class | MONUMENT TYPE |
| Status | Preferred |
| Index? | Yes |
| Scope Note | The horizontal beam on a lock gate. |