John Langdon Sullivan
E1922804
UNEXPLORED
John Langdon Sullivan was an American engineer and inventor known for his work on early canal and transportation projects in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John Langdon Sullivan canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.