Nevada–Arizona border
E534829
The Nevada–Arizona border is the state line in the southwestern United States that largely follows the Colorado River, separating Nevada from Arizona and passing near cities such as Laughlin and Bullhead City.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nevada–Arizona border canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5621098 — 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: Nevada–Arizona border Context triple: [Laughlin, stateBorder, Nevada–Arizona border]
-
A.
California–Arizona border
The California–Arizona border is the state line along the lower Colorado River that separates California from Arizona in the southwestern United States.
-
B.
California–Nevada border
The California–Nevada border is the state line in the western United States that divides California from Nevada, running through diverse landscapes including the Sierra Nevada and the Lake Tahoe region.
-
C.
Nevada–Idaho border
The Nevada–Idaho border is the north–south state boundary in the western United States separating Nevada from Idaho, running largely through remote high desert and mountainous terrain.
-
D.
Nevada–Utah state line
The Nevada–Utah state line is the boundary separating the U.S. states of Nevada and Utah, running through remote desert landscapes and near notable features such as the Bonneville Salt Flats.
-
E.
New Mexico border
The New Mexico border is the state line separating New Mexico from its neighboring U.S. states, marking a transition between the American Southwest and surrounding regions.
- 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: Nevada–Arizona border Target entity description: The Nevada–Arizona border is the state line in the southwestern United States that largely follows the Colorado River, separating Nevada from Arizona and passing near cities such as Laughlin and Bullhead City.
-
A.
California–Arizona border
The California–Arizona border is the state line along the lower Colorado River that separates California from Arizona in the southwestern United States.
-
B.
California–Nevada border
The California–Nevada border is the state line in the western United States that divides California from Nevada, running through diverse landscapes including the Sierra Nevada and the Lake Tahoe region.
-
C.
Nevada–Idaho border
The Nevada–Idaho border is the north–south state boundary in the western United States separating Nevada from Idaho, running largely through remote high desert and mountainous terrain.
-
D.
Nevada–Utah state line
The Nevada–Utah state line is the boundary separating the U.S. states of Nevada and Utah, running through remote desert landscapes and near notable features such as the Bonneville Salt Flats.
-
E.
New Mexico border
The New Mexico border is the state line separating New Mexico from its neighboring U.S. states, marking a transition between the American Southwest and surrounding regions.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
internationally recognized boundary
ⓘ
state border ⓘ |
| adjacentToCounty |
Clark County, Nevada
NERFINISHED
ⓘ
Lincoln County, Nevada NERFINISHED ⓘ Mohave County, Arizona NERFINISHED ⓘ |
| adjacentToProtectedArea |
Lake Mead National Recreation Area
NERFINISHED
ⓘ
Lake Mohave recreation areas NERFINISHED ⓘ |
| borderLengthApproximate | about 250 miles ⓘ |
| containsRiverSegment |
Colorado River between Lake Mead and Lake Mohave
NERFINISHED
ⓘ
Colorado River south of Lake Mohave NERFINISHED ⓘ Lake Mead NERFINISHED ⓘ Lake Mohave NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedByBridge | Mike O'Callaghan–Pat Tillman Memorial Bridge NERFINISHED ⓘ |
| crossedByHighway |
Interstate 11
NERFINISHED
ⓘ
Interstate 15 NERFINISHED ⓘ U.S. Route 93 NERFINISHED ⓘ U.S. Route 95 NERFINISHED ⓘ |
| crossedByStructure | Hoover Dam NERFINISHED ⓘ |
| definedBy | surveys along the Colorado River ⓘ |
| establishedBy | acts of the United States Congress ⓘ |
| followsRiver | Colorado River NERFINISHED ⓘ |
| formsPartOf |
boundary of the Great Basin region to the east
ⓘ
boundary of the Mojave Desert region to the west ⓘ |
| geographicalOrientation | runs generally north–south along Colorado River ⓘ |
| governedByCompact | Colorado River Compact (indirectly affecting boundary-related water issues) NERFINISHED ⓘ |
| hasJurisdictionBoundary | time zone boundary between Pacific Time and Mountain Time in some areas ⓘ |
| hasNaturalFeatureRole | follows thalweg of Colorado River in many sections ⓘ |
| hasNearbyAirport | Laughlin/Bullhead International Airport NERFINISHED ⓘ |
| hasTransportationCrossing |
Davis Dam
NERFINISHED
ⓘ
Laughlin Bridge NERFINISHED ⓘ |
| hydrologicalContext | part of Lower Colorado River basin ⓘ |
| legalStatus | interstate boundary ⓘ |
| locatedInRegion | Southwestern United States NERFINISHED ⓘ |
| nearTribalLand |
Fort Mojave Indian Reservation
NERFINISHED
ⓘ
Hualapai tribal lands NERFINISHED ⓘ |
| partOf | Arizona–Nevada boundary NERFINISHED ⓘ |
| passesNearCity |
Boulder City, Nevada
NERFINISHED
ⓘ
Bullhead City, Arizona NERFINISHED ⓘ Kingman, Arizona NERFINISHED ⓘ Laughlin, Nevada NERFINISHED ⓘ Littlefield, Arizona NERFINISHED ⓘ Mesquite, Nevada NERFINISHED ⓘ |
| separatesState |
Arizona
NERFINISHED
ⓘ
Nevada NERFINISHED ⓘ |
| usedFor | water rights apportionment along Colorado River ⓘ |
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: Nevada–Arizona border Description of subject: The Nevada–Arizona border is the state line in the southwestern United States that largely follows the Colorado River, separating Nevada from Arizona and passing near cities such as Laughlin and Bullhead City.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.