Snake River Plain
E199646
The Snake River Plain is a broad, arc-shaped volcanic and sedimentary lowland in southern Idaho, formed by the movement of the North American Plate over the Yellowstone hotspot and now a major agricultural and geological region.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Snake River Plain canonical | 14 |
| Snake River Plain margin | 1 |
| eastern Snake River Plain | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1769899 — 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: Snake River Plain Context triple: [Snake River, hasNotableFeature, Snake River Plain]
-
A.
Columbia Plateau
The Columbia Plateau is a vast volcanic and sedimentary region in the Pacific Northwest known for its basalt flows, deep river canyons, and extensive agricultural lands shaped by the Columbia River and its tributaries.
-
B.
Palouse region
The Palouse region is a fertile, rolling agricultural area in the northwestern United States, renowned for its distinctive loess hills and extensive wheat and legume farming.
-
C.
Modoc Plateau
The Modoc Plateau is a high, volcanic tableland in northeastern California and adjacent parts of Oregon and Nevada, characterized by lava flows, sagebrush steppe, and scattered forests.
-
D.
Springfield Plateau
The Springfield Plateau is a geologic region within the Ozarks characterized by gently rolling terrain, extensive karst features, and thick layers of Mississippian limestone and chert.
-
E.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
- 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: Snake River Plain Target entity description: The Snake River Plain is a broad, arc-shaped volcanic and sedimentary lowland in southern Idaho, formed by the movement of the North American Plate over the Yellowstone hotspot and now a major agricultural and geological region.
-
A.
Columbia Plateau
The Columbia Plateau is a vast volcanic and sedimentary region in the Pacific Northwest known for its basalt flows, deep river canyons, and extensive agricultural lands shaped by the Columbia River and its tributaries.
-
B.
Palouse region
The Palouse region is a fertile, rolling agricultural area in the northwestern United States, renowned for its distinctive loess hills and extensive wheat and legume farming.
-
C.
Modoc Plateau
The Modoc Plateau is a high, volcanic tableland in northeastern California and adjacent parts of Oregon and Nevada, characterized by lava flows, sagebrush steppe, and scattered forests.
-
D.
Springfield Plateau
The Springfield Plateau is a geologic region within the Ozarks characterized by gently rolling terrain, extensive karst features, and thick layers of Mississippian limestone and chert.
-
E.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
geographical region
ⓘ
physiographic province ⓘ sedimentary plain ⓘ volcanic plain ⓘ |
| age | Cenozoic ⓘ |
| climate | semi-arid ⓘ |
| contains |
Craters of the Moon National Monument and Preserve
ⓘ
Idaho National Engineering Laboratory ⓘ
surface form:
INL Site
Snake River Birds of Prey National Conservation Area ⓘ Snake River Canyon ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dominantRockType | basalt ⓘ |
| extendsFrom | Oregon–Idaho border near Boise ⓘ |
| extendsTo | northwestern Wyoming near Yellowstone ⓘ |
| formedBy | movement of the North American Plate over the Yellowstone hotspot ⓘ |
| geologicalOrigin |
Yellowstone hotspot track
ⓘ
surface form:
Yellowstone hotspot
|
| hasAquifer | Eastern Snake River Plain Aquifer ⓘ |
| hasFeature |
basalt flows
ⓘ
lava fields ⓘ rift zones ⓘ sedimentary basins ⓘ shield volcanoes ⓘ |
| hasGeologicalType |
sedimentary
ⓘ
volcanic ⓘ |
| hasSection |
central Snake River Plain
ⓘ
Snake River Plain self-linksurface differs ⓘ
surface form:
eastern Snake River Plain
western Snake River Plain ⓘ |
| hasShape | arc-shaped ⓘ |
| hasTectonicSetting | intraplate hotspot track ⓘ |
| importantFor |
geological research
ⓘ
hydrology of the Snake River basin ⓘ |
| irrigatedBy |
Snake River
ⓘ
reservoirs and canal systems ⓘ |
| isHotspotTrackOf |
Yellowstone hotspot track
ⓘ
surface form:
Yellowstone hotspot
|
| isLowland | true ⓘ |
| isMajorAgriculturalRegion | true ⓘ |
| knownFor |
dairy production
ⓘ
fertile soils ⓘ potato production ⓘ |
| locatedIn | Idaho ⓘ |
| locatedInRegion | southern Idaho ⓘ |
| locatedOnContinent | North America ⓘ |
| majorCityOnPlain |
Boise
ⓘ
Idaho Falls ⓘ Pocatello ⓘ Twin Falls, Idaho ⓘ
surface form:
Twin Falls
|
| orientation | southwest–northeast ⓘ |
| partOf | Basin and Range Province ⓘ |
| traversedBy | Snake River ⓘ |
| usedFor | agriculture ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Snake River Plain Description of subject: The Snake River Plain is a broad, arc-shaped volcanic and sedimentary lowland in southern Idaho, formed by the movement of the North American Plate over the Yellowstone hotspot and now a major agricultural and geological region.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Blue Mountains (Pacific Northwest)
this entity surface form:
eastern Snake River Plain
this entity surface form:
Snake River Plain margin
subject surface form:
Southern Idaho