Great Plains margin

E153289

geographic region physiographic region transitional zone

The Great Plains margin is the transitional geographic zone where the flat interior plains of central North America give way to more dissected terrain and upland regions to the east and west.

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All labels observed (8)

Label	Occurrences
Great Plains periphery	4
U.S. Great Plains periphery	2
Great Plains (western edge)	1
Great Plains margin canonical	1
Great Plains–eastern forest boundary	1
North American Great Plains margins	1
U.S. Great Plains fringe	1
United States Great Plains margin	1

How this entity was disambiguated

This entity first appeared as the object of triple T1251468 — 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: Great Plains margin
Context triple: [Loess Hills, partOf, Great Plains margin]

A. Great Plains
The Great Plains is a vast, mostly flat grassland region in central North America known for its prairies, agriculture, and continental climate.
B. Rio Grande Rift
The Rio Grande Rift is a major north–south trending continental rift zone in the southwestern United States that marks where the Earth's crust is being pulled apart, forming a series of basins and uplifted ranges.
C. Southwestern Kansas
Southwestern Kansas is a sparsely populated, largely agricultural region of Kansas known for its plains landscape, feedlots, and regional centers like Garden City.
D. Oklahoma Panhandle
The Oklahoma Panhandle is the narrow western strip of Oklahoma known for its High Plains landscape, sparse population, and central role in the Dust Bowl era.
E. Rocky Mountain Trench
The Rocky Mountain Trench is a long, broad valley running parallel to the Canadian Rockies in British Columbia, forming a major geological feature that separates the Rockies from the Columbia Mountains.
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: Great Plains margin
Target entity description: The Great Plains margin is the transitional geographic zone where the flat interior plains of central North America give way to more dissected terrain and upland regions to the east and west.

A. Great Plains
The Great Plains is a vast, mostly flat grassland region in central North America known for its prairies, agriculture, and continental climate.
B. Rio Grande Rift
The Rio Grande Rift is a major north–south trending continental rift zone in the southwestern United States that marks where the Earth's crust is being pulled apart, forming a series of basins and uplifted ranges.
C. Southwestern Kansas
Southwestern Kansas is a sparsely populated, largely agricultural region of Kansas known for its plains landscape, feedlots, and regional centers like Garden City.
D. Oklahoma Panhandle
The Oklahoma Panhandle is the narrow western strip of Oklahoma known for its High Plains landscape, sparse population, and central role in the Dust Bowl era.
E. Rocky Mountain Trench
The Rocky Mountain Trench is a long, broad valley running parallel to the Canadian Rockies in British Columbia, forming a major geological feature that separates the Rockies from the Columbia Mountains.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	geographic region ⓘ physiographic region ⓘ transitional zone ⓘ
borders	Canadian Shield margin in places ⓘ Central Lowland ⓘ linked to: Interior Lowlands Interior Low Plateaus ⓘ linked to: Interior Low Plateaus physiographic region Ozark Plateau ⓘ Rocky Mountains foothills ⓘ
characterizedBy	breaks in slope ⓘ cuestas ⓘ escarpments ⓘ greater dissection by streams and rivers ⓘ increasing relief ⓘ transition from flat plains to dissected topography ⓘ
extendsFrom	New Mexico ⓘ Texas ⓘ
extendsTo	Alberta ⓘ Saskatchewan ⓘ
hasClimateGradient	from semi-arid interior plains to more humid margins ⓘ
hasEconomicImportance	agriculture ⓘ energy development ⓘ ranching ⓘ
hasGeologicSetting	adjacent uplifts and plateaus ⓘ sedimentary rocks of the Great Plains ⓘ
hasTypicalLandforms	bluffs ⓘ dissected plateaus ⓘ escarpment fronts ⓘ valley networks ⓘ
hasVegetationGradient	from grassland to mixed woodland or forest in some sectors ⓘ
influences	distribution of soils ⓘ drainage patterns of central North America ⓘ ecotones between prairie and forest ⓘ land use patterns ⓘ
locatedIn	Canada ⓘ North America ⓘ United States ⓘ linked to: United States of America
partOf	Great Plains ⓘ
relatedTo	Great Plains physiographic province ⓘ linked to: Great Plains Interior Plains ⓘ linked to: Great Plains Rocky Mountain front ⓘ linked to: Front Range of the Rocky Mountains
separates	interior plains of central North America ⓘ more dissected terrain to the east ⓘ upland regions to the west ⓘ
studiedIn	geomorphology ⓘ physiography ⓘ regional geography ⓘ

How these facts were elicited