Old Mission Dam
E1548869
UNEXPLORED
Old Mission Dam is a historic 19th-century stone and masonry dam in San Diego, California, built by Spanish missionaries to supply water to Mission San Diego de Alcalá and now preserved as a cultural landmark within Mission Trails Regional Park.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Old Mission Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T19953875 — 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: Old Mission Dam Context triple: [Mission Trails Regional Park, hasFeature, Old Mission Dam]
-
A.
Cascade Dam
Cascade Dam is a hydroelectric and irrigation dam located on the Payette River in central Idaho, forming Lake Cascade as a major regional reservoir.
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B.
Cascade Dam
Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
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C.
Arrow Dam
Arrow Dam, formally known as Keenleyside Dam, is a large hydroelectric and flood-control dam on the Columbia River in British Columbia, Canada.
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D.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
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E.
Anderson Dam
Anderson Dam is an earthen embankment dam in Santa Clara County, California, that impounds Anderson Lake for water storage and flood control.
- 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: Old Mission Dam Target entity description: Old Mission Dam is a historic 19th-century stone and masonry dam in San Diego, California, built by Spanish missionaries to supply water to Mission San Diego de Alcalá and now preserved as a cultural landmark within Mission Trails Regional Park.
-
A.
Cascade Dam
Cascade Dam is a hydroelectric and irrigation dam located on the Payette River in central Idaho, forming Lake Cascade as a major regional reservoir.
-
B.
Cascade Dam
Cascade Dam is a hydroelectric and flood-control structure located on the Thornapple River in Michigan.
-
C.
Arrow Dam
Arrow Dam, formally known as Keenleyside Dam, is a large hydroelectric and flood-control dam on the Columbia River in British Columbia, Canada.
-
D.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
-
E.
Anderson Dam
Anderson Dam is an earthen embankment dam in Santa Clara County, California, that impounds Anderson Lake for water storage and flood control.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.