Pennsylvania Rock Oil Company
E2014459
UNEXPLORED
Pennsylvania Rock Oil Company was an early American petroleum enterprise that pioneered commercial oil drilling and helped launch the modern oil industry in the mid-19th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pennsylvania Rock Oil Company canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.