South Fork Feather River
E482336
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Fork Feather River canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3270294 — 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: South Fork Feather River Context triple: [Lake Oroville, inflow, South Fork 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.
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B.
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.
-
C.
South Fork American River
The South Fork American River is a major tributary of California’s American River in the Sierra Nevada foothills, renowned for its historical role in the Gold Rush and its popular whitewater rafting runs.
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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.
South Fork Kings River
The South Fork Kings River is a major headwater branch of California’s Kings River, flowing through rugged canyons and alpine terrain in Kings Canyon National Park.
- 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: South Fork Feather River Target entity description: 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.
-
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.
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.
-
C.
South Fork American River
The South Fork American River is a major tributary of California’s American River in the Sierra Nevada foothills, renowned for its historical role in the Gold Rush and its popular whitewater rafting runs.
-
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.
South Fork Kings River
The South Fork Kings River is a major headwater branch of California’s Kings River, flowing through rugged canyons and alpine terrain in Kings Canyon National Park.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| contributesTo |
hydroelectric generation capacity in Northern California
ⓘ
regional water storage in Northern California ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Plumas National Forest NERFINISHED ⓘ |
| elevationFeature | flows from high-elevation Sierra Nevada headwaters ⓘ |
| flowsInto |
Feather River
NERFINISHED
ⓘ
Lake Oroville NERFINISHED ⓘ |
| hasDam |
Little Grass Valley Dam
NERFINISHED
ⓘ
Lost Creek Dam NERFINISHED ⓘ Sly Creek Dam NERFINISHED ⓘ |
| hasHydroelectricPlant |
Lost Creek Powerhouse
NERFINISHED
ⓘ
Sly Creek Powerhouse NERFINISHED ⓘ South Fork Powerhouse NERFINISHED ⓘ |
| hasLeftTributary |
Little Grass Valley Creek
NERFINISHED
ⓘ
Spencer Creek NERFINISHED ⓘ |
| hasReservoir |
Little Grass Valley Reservoir
NERFINISHED
ⓘ
Lost Creek Reservoir NERFINISHED ⓘ Sly Creek Reservoir NERFINISHED ⓘ |
| hasRightTributary |
Lost Creek
NERFINISHED
ⓘ
Sly Creek NERFINISHED ⓘ |
| hasUse | flood control via associated reservoirs ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Northern California ⓘ Sierra Nevada NERFINISHED ⓘ |
| locatedInProtectedArea | Plumas National Forest NERFINISHED ⓘ |
| managedBy | South Feather Water and Power Agency NERFINISHED ⓘ |
| mouthLocation | Lake Oroville NERFINISHED ⓘ |
| nearCity | Oroville, California NERFINISHED ⓘ |
| partOf |
Feather River watershed
NERFINISHED
ⓘ
Oroville–Thermalito hydroelectric complex NERFINISHED ⓘ |
| region |
Butte County, California
NERFINISHED
ⓘ
Plumas County, California NERFINISHED ⓘ |
| riverSystem | Feather River NERFINISHED ⓘ |
| sourceLocation | Sierra Nevada, California NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| tributaryOf | Feather River NERFINISHED ⓘ |
| usedFor |
boating
ⓘ
camping ⓘ fishing ⓘ hydroelectric power generation ⓘ irrigation supply ⓘ municipal water supply ⓘ recreation ⓘ water storage ⓘ |
| watershed | Sacramento River basin 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: South Fork Feather River Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.