West Branch Feather River
E667897
West Branch Feather River is a major tributary of California’s Feather River, flowing through the Sierra Nevada and contributing to the region’s water supply and hydroelectric system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| West Branch Feather River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5852215 — 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: West Branch Feather River Context triple: [Feather River, hasPart, West Branch Feather River]
-
A.
Middle Fork Feather River
The Middle Fork Feather River is a major tributary of California’s Feather River system, flowing through the northern Sierra Nevada and contributing significant water and scenic canyon landscapes before reaching Lake Oroville.
-
B.
South Fork Feather River
The South Fork Feather River is a major tributary of the Feather River in Northern California, flowing through the Sierra Nevada and contributing significantly to regional water storage and hydroelectric power.
-
C.
North Fork Feather River
The North Fork Feather River is a major tributary of California’s Feather River, flowing through the northern Sierra Nevada and supporting regional hydroelectric power, recreation, and wildlife habitat.
-
D.
Feather River
The Feather River is a major tributary of the Sacramento River in Northern California, known for its extensive role in the state’s water supply, hydroelectric power generation, and flood control.
-
E.
North Fork American River
The North Fork American River is a major tributary of California’s American River, known for its rugged canyon scenery, whitewater recreation, and relatively undisturbed natural habitat in the Sierra Nevada foothills.
- 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: West Branch Feather River Target entity description: West Branch Feather River is a major tributary of California’s Feather River, flowing through the Sierra Nevada and contributing to the region’s water supply and hydroelectric system.
-
A.
Middle Fork Feather River
The Middle Fork Feather River is a major tributary of California’s Feather River system, flowing through the northern Sierra Nevada and contributing significant water and scenic canyon landscapes before reaching Lake Oroville.
-
B.
South Fork Feather River
The South Fork Feather River is a major tributary of the Feather River in Northern California, flowing through the Sierra Nevada and contributing significantly to regional water storage and hydroelectric power.
-
C.
North Fork Feather River
The North Fork Feather River is a major tributary of California’s Feather River, flowing through the northern Sierra Nevada and supporting regional hydroelectric power, recreation, and wildlife habitat.
-
D.
Feather River
The Feather River is a major tributary of the Sacramento River in Northern California, known for its extensive role in the state’s water supply, hydroelectric power generation, and flood control.
-
E.
North Fork American River
The North Fork American River is a major tributary of California’s American River, known for its rugged canyon scenery, whitewater recreation, and relatively undisturbed natural habitat in the Sierra Nevada foothills.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| emptiesInto | Lake Oroville NERFINISHED ⓘ |
| flowsThrough | Butte County, California NERFINISHED ⓘ |
| hasEconomicUse |
agricultural water supply
ⓘ
hydropower production ⓘ urban water supply ⓘ |
| hasHydrologicalFunction |
contributes to Feather River flow
ⓘ
contributes to regional water supply ⓘ supports hydroelectric system ⓘ |
| hasWatershedCharacteristic |
mountain watershed
ⓘ
snowmelt-fed stream ⓘ |
| locatedIn | Sierra Nevada NERFINISHED ⓘ |
| locatedInMountainRange | Sierra Nevada NERFINISHED ⓘ |
| mouthLocatedIn | Lake Oroville NERFINISHED ⓘ |
| mouthLocatedNear | Oroville, California NERFINISHED ⓘ |
| partOf |
California State Water Project system
NERFINISHED
ⓘ
Feather River watershed NERFINISHED ⓘ Sacramento River basin NERFINISHED ⓘ |
| region | Northern California ⓘ |
| riverSystem |
Feather River system
NERFINISHED
ⓘ
Sacramento River system NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| tributaryOf | Feather River NERFINISHED ⓘ |
| usedFor |
hydroelectric power generation
ⓘ
irrigation water supply ⓘ municipal water supply ⓘ |
| watercourse | Lake Oroville 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: West Branch Feather River Description of subject: West Branch Feather River is a major tributary of California’s Feather River, flowing through the Sierra Nevada and contributing to the region’s water supply and hydroelectric system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.