Trans-Mississippi West
E1138148
UNEXPLORED
The Trans-Mississippi West refers to the vast region of the United States located west of the Mississippi River, encompassing the Great Plains, Rocky Mountains, and Pacific Coast areas that were central to 19th-century expansion and frontier history.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Trans-Mississippi West canonical | 6 |
| Trans-Mississippi region | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15118975 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Trans-Mississippi West Context triple: [Department of the Missouri, appliesToJurisdiction, Trans-Mississippi West]
-
A.
Trans-Appalachian West
The Trans-Appalachian West is the broad frontier region of the early United States lying west of the Appalachian Mountains, encompassing territories that were gradually settled and organized into new states during the late 18th and early 19th centuries.
-
B.
Central United States
The Central United States is a broad region of the country that spans the middle portion of the contiguous U.S., encompassing parts of the Midwest, Great Plains, and South.
-
C.
Mid-Continent Region
The Mid-Continent Region is a regional office of the U.S. Office of Surface Mining Reclamation and Enforcement responsible for overseeing coal mining regulation and land reclamation in the central United States.
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D.
South Central United States
The South Central United States is a U.S. region typically including states like Texas, Oklahoma, Arkansas, and Louisiana, characterized by a mix of Southern and Western cultural influences and a diverse economy spanning energy, agriculture, and industry.
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E.
Cotton Belt
The Cotton Belt is a historically significant agricultural region of the southern United States known for its intensive cotton production and plantation-based economy.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Trans-Mississippi West Target entity description: The Trans-Mississippi West refers to the vast region of the United States located west of the Mississippi River, encompassing the Great Plains, Rocky Mountains, and Pacific Coast areas that were central to 19th-century expansion and frontier history.
-
A.
Trans-Appalachian West
The Trans-Appalachian West is the broad frontier region of the early United States lying west of the Appalachian Mountains, encompassing territories that were gradually settled and organized into new states during the late 18th and early 19th centuries.
-
B.
Central United States
The Central United States is a broad region of the country that spans the middle portion of the contiguous U.S., encompassing parts of the Midwest, Great Plains, and South.
-
C.
Mid-Continent Region
The Mid-Continent Region is a regional office of the U.S. Office of Surface Mining Reclamation and Enforcement responsible for overseeing coal mining regulation and land reclamation in the central United States.
-
D.
South Central United States
The South Central United States is a U.S. region typically including states like Texas, Oklahoma, Arkansas, and Louisiana, characterized by a mix of Southern and Western cultural influences and a diverse economy spanning energy, agriculture, and industry.
-
E.
Cotton Belt
The Cotton Belt is a historically significant agricultural region of the southern United States known for its intensive cotton production and plantation-based economy.
- F. None of above. chosen
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Trans-Mississippi West