Upper San Juan watershed
E1371403
UNEXPLORED
The Upper San Juan watershed is a high-elevation river basin in southwestern Colorado that drains the headwaters and tributaries of the San Juan River and supports diverse mountain ecosystems and downstream water users.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Upper San Juan watershed canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T19348434 — 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: Upper San Juan watershed Context triple: [San Juan River (Colorado section), partOf, Upper San Juan watershed]
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A.
Sespe Creek watershed
The Sespe Creek watershed is a largely undeveloped river basin in Southern California’s Transverse Ranges, known for its rugged canyons, diverse wildlife, and critical role in the conservation of the endangered California condor.
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B.
Alta watershed
The Alta watershed is the river basin in northern Norway that drains the catchment area of the Altaelva and its tributaries into the surrounding fjord and coastal waters.
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C.
Rio Hondo watershed
The Rio Hondo watershed is a drainage basin in Los Angeles County, California, that collects and channels water from the San Gabriel Valley and surrounding urban areas into the Los Angeles River system.
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D.
Dominguez Watershed
The Dominguez Watershed is a drainage basin in southern Los Angeles County that collects urban runoff and stormwater from surrounding communities and channels it to the Pacific Ocean.
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E.
San Luis Rey River basin
The San Luis Rey River basin is a watershed region in northern San Diego County, California, that has long served as the homeland and cultural heartland of the Luiseño people.
- 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: Upper San Juan watershed Target entity description: The Upper San Juan watershed is a high-elevation river basin in southwestern Colorado that drains the headwaters and tributaries of the San Juan River and supports diverse mountain ecosystems and downstream water users.
-
A.
Sespe Creek watershed
The Sespe Creek watershed is a largely undeveloped river basin in Southern California’s Transverse Ranges, known for its rugged canyons, diverse wildlife, and critical role in the conservation of the endangered California condor.
-
B.
Alta watershed
The Alta watershed is the river basin in northern Norway that drains the catchment area of the Altaelva and its tributaries into the surrounding fjord and coastal waters.
-
C.
Rio Hondo watershed
The Rio Hondo watershed is a drainage basin in Los Angeles County, California, that collects and channels water from the San Gabriel Valley and surrounding urban areas into the Los Angeles River system.
-
D.
Dominguez Watershed
The Dominguez Watershed is a drainage basin in southern Los Angeles County that collects urban runoff and stormwater from surrounding communities and channels it to the Pacific Ocean.
-
E.
San Luis Rey River basin
The San Luis Rey River basin is a watershed region in northern San Diego County, California, that has long served as the homeland and cultural heartland of the Luiseño people.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.