South Fork Mokelumne River
E527547
The South Fork Mokelumne River is a tributary stream in Northern California’s Sierra Nevada that contributes to the Mokelumne River watershed and supports regional ecosystems and water supply.
All labels observed (1)
| Label | Occurrences |
|---|---|
| South Fork Mokelumne River canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4856393 — 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 Mokelumne River Context triple: [Mokelumne River area, contains, South Fork Mokelumne River]
-
A.
North Fork Mokelumne River
The North Fork Mokelumne River is a major tributary of California’s Mokelumne River, flowing through the Sierra Nevada and supporting regional water supply, recreation, and hydropower.
-
B.
Middle Fork Mokelumne River
The Middle Fork Mokelumne River is a tributary of the Mokelumne River in the Sierra Nevada of California, known for its rugged canyon scenery and recreational opportunities such as fishing and whitewater boating.
-
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.
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D.
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.
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E.
Middle Fork Kings River
The Middle Fork Kings River is a remote, rugged tributary of California’s Kings River known for its deep granite canyons, challenging whitewater, and pristine Sierra Nevada wilderness.
- 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 Mokelumne River Target entity description: The South Fork Mokelumne River is a tributary stream in Northern California’s Sierra Nevada that contributes to the Mokelumne River watershed and supports regional ecosystems and water supply.
-
A.
North Fork Mokelumne River
The North Fork Mokelumne River is a major tributary of California’s Mokelumne River, flowing through the Sierra Nevada and supporting regional water supply, recreation, and hydropower.
-
B.
Middle Fork Mokelumne River
The Middle Fork Mokelumne River is a tributary of the Mokelumne River in the Sierra Nevada of California, known for its rugged canyon scenery and recreational opportunities such as fishing and whitewater boating.
-
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.
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.
-
E.
Middle Fork Kings River
The Middle Fork Kings River is a remote, rugged tributary of California’s Kings River known for its deep granite canyons, challenging whitewater, and pristine Sierra Nevada wilderness.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| ecosystemService |
aquatic habitat
ⓘ
riparian habitat ⓘ supports fish populations ⓘ supports wildlife corridors ⓘ |
| flowsThrough | Sierra Nevada foothills NERFINISHED ⓘ |
| hasHydrologicalFunction |
contributes to downstream water storage
ⓘ
conveys snowmelt runoff ⓘ |
| locatedIn |
Amador County, California
NERFINISHED
ⓘ
Calaveras County, California NERFINISHED ⓘ California, United States ⓘ
surface form:
California
Northern California ⓘ San Joaquin County, California NERFINISHED ⓘ Sierra Nevada NERFINISHED ⓘ |
| mouthLocatedIn | Mokelumne River NERFINISHED ⓘ |
| partOf |
Mokelumne River system
NERFINISHED
ⓘ
Mokelumne River watershed NERFINISHED ⓘ San Joaquin River basin NERFINISHED ⓘ |
| region | Central Valley watershed system ⓘ |
| supports | regional ecosystems ⓘ |
| tributaryOf | Mokelumne River NERFINISHED ⓘ |
| usedFor | water supply ⓘ |
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 Mokelumne River Description of subject: The South Fork Mokelumne River is a tributary stream in Northern California’s Sierra Nevada that contributes to the Mokelumne River watershed and supports regional ecosystems and water supply.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.