South Fork Eel River
E630244
The South Fork Eel River is a major tributary of Northern California’s Eel River, known for its scenic redwood-lined corridor and ecological importance for salmon and steelhead habitat.
All labels observed (2)
| Label | Occurrences |
|---|---|
| South Fork Eel River canonical | 3 |
| Eel River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6560513 — 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 Eel River Context triple: [Eel River Basin, hasTributary, South Fork Eel River]
-
A.
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.
-
B.
Mokelumne River
The Mokelumne River is a major river in the Sierra Nevada of California, known for its scenic canyons, hydroelectric projects, and role as a vital water source for agriculture and urban areas.
-
C.
Tuolumne River
The Tuolumne River is a major Sierra Nevada waterway in California known for its scenic alpine meadows, deep granite canyons, and popular whitewater rafting and fishing opportunities.
-
D.
Tule River
The Tule River is a river in California’s southern Sierra Nevada that flows westward through agricultural lands before contributing water to the Tulare Basin.
-
E.
Carson River
The Carson River is a significant river in the western United States that flows through eastern California and western Nevada, playing a key role in the region’s ecology, agriculture, and water supply.
- 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 Eel River Target entity description: The South Fork Eel River is a major tributary of Northern California’s Eel River, known for its scenic redwood-lined corridor and ecological importance for salmon and steelhead habitat.
-
A.
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.
-
B.
Mokelumne River
The Mokelumne River is a major river in the Sierra Nevada of California, known for its scenic canyons, hydroelectric projects, and role as a vital water source for agriculture and urban areas.
-
C.
Tuolumne River
The Tuolumne River is a major Sierra Nevada waterway in California known for its scenic alpine meadows, deep granite canyons, and popular whitewater rafting and fishing opportunities.
-
D.
Tule River
The Tule River is a river in California’s southern Sierra Nevada that flows westward through agricultural lands before contributing water to the Tulare Basin.
-
E.
Carson River
The Carson River is a significant river in the western United States that flows through eastern California and western Nevada, playing a key role in the region’s ecology, agriculture, and water supply.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| confluenceWithEelRiverNear | Dyerville, California NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy | U.S. Route 101 NERFINISHED ⓘ |
| drainageBasinPartOf | California North Coast hydrologic region NERFINISHED ⓘ |
| flowsGenerally | northward ⓘ |
| flowsThrough |
Humboldt County, California
NERFINISHED
ⓘ
Mendocino County, California NERFINISHED ⓘ |
| hasConservationConcern |
salmon population decline
ⓘ
sedimentation ⓘ water withdrawals ⓘ |
| hasEcologicalImportanceFor |
Chinook salmon
ⓘ
Pacific lamprey NERFINISHED ⓘ coho salmon ⓘ steelhead ⓘ |
| hasLandCoverAlong |
coast redwood forest
ⓘ
mixed conifer-hardwood forest ⓘ |
| hasMajorTributary |
Bull Creek
NERFINISHED
ⓘ
East Branch South Fork Eel River NERFINISHED ⓘ Hollow Tree Creek NERFINISHED ⓘ Indian Creek NERFINISHED ⓘ Rattlesnake Creek NERFINISHED ⓘ Salmon Creek NERFINISHED ⓘ Tenmile Creek NERFINISHED ⓘ |
| hasMouthNear |
Dyerville, California
NERFINISHED
ⓘ
Weott, California NERFINISHED ⓘ |
| hasProtectedAreaAlong |
Humboldt Redwoods State Park
NERFINISHED
ⓘ
Richardson Grove State Park NERFINISHED ⓘ Standish-Hickey State Recreation Area NERFINISHED ⓘ |
| hasRecreationalUse |
boating
ⓘ
fishing ⓘ swimming ⓘ |
| knownFor |
salmon habitat
ⓘ
scenic redwood-lined corridor ⓘ steelhead trout habitat ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Northern California ⓘ |
| mouthLocatedIn | Humboldt County, California NERFINISHED ⓘ |
| paralleledBy | U.S. Route 101 NERFINISHED ⓘ |
| partOf | Eel River watershed NERFINISHED ⓘ |
| region | North Coast Ranges NERFINISHED ⓘ |
| riverSystem | Eel River NERFINISHED ⓘ |
| sourceLocatedIn | Mendocino County, California NERFINISHED ⓘ |
| tributaryOf | Eel River 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 Eel River Description of subject: The South Fork Eel River is a major tributary of Northern California’s Eel River, known for its scenic redwood-lined corridor and ecological importance for salmon and steelhead habitat.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Eel River