Colorado River at Parker
E749360
The Colorado River at Parker is a stretch of the river along the Arizona–California border near the town of Parker, known for recreation, water management infrastructure, and serving as a key crossing point between the two states.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Colorado River at Parker canonical | 1 |
| Colorado River forms part of Arizona–California border near Parker | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8665633 — 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: Colorado River at Parker Context triple: [California State Route 62, crosses, Colorado River at Parker]
-
A.
St. Vrain Creek
St. Vrain Creek is a tributary of the South Platte River in north-central Colorado that flows eastward from the Rocky Mountains through canyons and plains, supporting local ecosystems and communities along its course.
-
B.
Gunnison River
The Gunnison River is a major tributary of the Colorado River in western Colorado, known for carving the dramatic Black Canyon and supporting recreation, irrigation, and hydropower in the region.
-
C.
San Juan River (Colorado section)
The San Juan River (Colorado section) is the upper stretch of the San Juan River flowing through southwestern Colorado, known for its rugged canyon landscapes and role as a tributary of the Colorado River system.
-
D.
Agua Fria River
The Agua Fria River is a seasonal waterway in central Arizona that flows south through desert and riparian habitats before joining the Gila River near Phoenix.
-
E.
Animas River
The Animas River is a major river in the southwestern United States that flows through Colorado and New Mexico, known for its scenic mountain landscapes, recreational rafting and fishing, and historical ties to mining.
- 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: Colorado River at Parker Target entity description: The Colorado River at Parker is a stretch of the river along the Arizona–California border near the town of Parker, known for recreation, water management infrastructure, and serving as a key crossing point between the two states.
-
A.
St. Vrain Creek
St. Vrain Creek is a tributary of the South Platte River in north-central Colorado that flows eastward from the Rocky Mountains through canyons and plains, supporting local ecosystems and communities along its course.
-
B.
Gunnison River
The Gunnison River is a major tributary of the Colorado River in western Colorado, known for carving the dramatic Black Canyon and supporting recreation, irrigation, and hydropower in the region.
-
C.
San Juan River (Colorado section)
The San Juan River (Colorado section) is the upper stretch of the San Juan River flowing through southwestern Colorado, known for its rugged canyon landscapes and role as a tributary of the Colorado River system.
-
D.
Agua Fria River
The Agua Fria River is a seasonal waterway in central Arizona that flows south through desert and riparian habitats before joining the Gila River near Phoenix.
-
E.
Animas River
The Animas River is a major river in the southwestern United States that flows through Colorado and New Mexico, known for its scenic mountain landscapes, recreational rafting and fishing, and historical ties to mining.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
geographic feature
ⓘ
river reach ⓘ |
| downstreamOf | Parker Dam NERFINISHED ⓘ |
| flowsThrough | Lower Colorado River Valley near Parker NERFINISHED ⓘ |
| formsBorderBetween |
Arizona
NERFINISHED
ⓘ
California NERFINISHED ⓘ |
| hasActivity |
camping along riverbanks
ⓘ
riverfront resort operations ⓘ tourism ⓘ |
| hasFeature |
desert riparian corridor
ⓘ
navigable channel for small craft ⓘ riverfront recreation areas ⓘ |
| hasInfrastructure |
Parker Dam
NERFINISHED
ⓘ
bridges ⓘ levees ⓘ water diversion works ⓘ |
| hasUse |
boating
ⓘ
fishing ⓘ irrigation supply ⓘ municipal water supply ⓘ recreation ⓘ water sports ⓘ |
| isCrossedBy | Parker bridge between Arizona and California NERFINISHED ⓘ |
| isCrossingPointBetween |
Arizona
NERFINISHED
ⓘ
California NERFINISHED ⓘ |
| isImportantFor |
Arizona water users
ⓘ
California water users ⓘ |
| isKnownFor |
being a key Arizona–California crossing point
ⓘ
intensive recreational boating ⓘ |
| isManagedBy | U.S. Bureau of Reclamation NERFINISHED ⓘ |
| isManagedFor |
flood control
ⓘ
water allocation ⓘ |
| isSegmentOf | Lower Colorado River NERFINISHED ⓘ |
| locatedIn |
Arizona
NERFINISHED
ⓘ
California, United States ⓘ
surface form:
California
United States of America ⓘ
surface form:
United States
|
| near |
Parker, Arizona
NERFINISHED
ⓘ
Parker, Arizona–California border NERFINISHED ⓘ |
| partOf | Colorado River NERFINISHED ⓘ |
| upstreamOf | Imperial Dam region NERFINISHED ⓘ |
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: Colorado River at Parker Description of subject: The Colorado River at Parker is a stretch of the river along the Arizona–California border near the town of Parker, known for recreation, water management infrastructure, and serving as a key crossing point between the two states.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Colorado River forms part of Arizona–California border near Parker