United States Pacific Northwest coal region (historic)
E2109869
UNEXPLORED
The United States Pacific Northwest coal region (historic) is a former coal-mining area in the Pacific Northwest known for its 19th- and early 20th-century coal production that supported regional industrial and railroad development.
All labels observed (1)
| Label | Occurrences |
|---|---|
| United States Pacific Northwest coal region (historic) canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.