SOO
E1630976
UNEXPLORED
SOO is the reporting mark and common abbreviation used for the Soo Line Railroad, a major U.S. railroad historically operating in the Upper Midwest.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SOO canonical | 2 |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.