American Bottom region

E1147603 UNEXPLORED

The American Bottom region is a fertile floodplain along the eastern bank of the Mississippi River in southwestern Illinois, historically significant for its rich agricultural land and major pre-Columbian Mississippian culture sites such as Cahokia.

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All labels observed (7)

Label	Occurrences
American Bottom	9
American Bottom region canonical	7
American Bottom floodplain	3
American Bottom region of Illinois	1
American Bottom region of the Mississippi Valley	1
American Bottoms region of the Mississippi River valley	1
Mississippi River region of southern Illinois	1

How this entity was disambiguated

This entity first appeared as the object of triple T15266792 — 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: American Bottom region
Context triple: [Collinsville, Illinois, partOf, American Bottom region]

A. North Mississippi Delta
North Mississippi Delta is a culturally rich, agriculturally significant region in northern Mississippi known for its fertile alluvial plains and deep roots in blues music history.
B. Arkansas Delta region
The Arkansas Delta region is a low-lying, agriculturally rich area of eastern Arkansas along the Mississippi River, known for its fertile alluvial soil, blues and folk music heritage, and significant role in Southern history.
C. Southwestern Mississippi
Southwestern Mississippi is a region of the U.S. state of Mississippi known for its small cities like McComb, rural landscapes, and historical ties to the Deep South.
D. Mississippi Hill Country
Mississippi Hill Country is a rugged, forested upland region in northern Mississippi known for its rolling hills, small farming communities, and distinctive North Mississippi hill country blues tradition.
E. Western Mississippi
Western Mississippi is a region of the U.S. state of Mississippi encompassing its western counties along the Mississippi River, known for its rural communities, agriculture, and historical ties to the Deep South.
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: American Bottom region
Target entity description: The American Bottom region is a fertile floodplain along the eastern bank of the Mississippi River in southwestern Illinois, historically significant for its rich agricultural land and major pre-Columbian Mississippian culture sites such as Cahokia.

A. North Mississippi Delta
North Mississippi Delta is a culturally rich, agriculturally significant region in northern Mississippi known for its fertile alluvial plains and deep roots in blues music history.
B. Arkansas Delta region
The Arkansas Delta region is a low-lying, agriculturally rich area of eastern Arkansas along the Mississippi River, known for its fertile alluvial soil, blues and folk music heritage, and significant role in Southern history.
C. Southwestern Mississippi
Southwestern Mississippi is a region of the U.S. state of Mississippi known for its small cities like McComb, rural landscapes, and historical ties to the Deep South.
D. Mississippi Hill Country
Mississippi Hill Country is a rugged, forested upland region in northern Mississippi known for its rolling hills, small farming communities, and distinctive North Mississippi hill country blues tradition.
E. Western Mississippi
Western Mississippi is a region of the U.S. state of Mississippi encompassing its western counties along the Mississippi River, known for its rural communities, agriculture, and historical ties to the Deep South.
F. None of above. chosen