U.S. Army Corps of Engineers (New Hogan Dam and Lake)
E783455
The U.S. Army Corps of Engineers (New Hogan Dam and Lake) is the federal agency office responsible for operating and maintaining New Hogan Dam and its reservoir on the Calaveras River for flood control, water supply, and recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| U.S. Army Corps of Engineers (New Hogan Dam and Lake) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9204674 — 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: U.S. Army Corps of Engineers (New Hogan Dam and Lake) Context triple: [Calaveras River, managedBy, U.S. Army Corps of Engineers (New Hogan Dam and Lake)]
-
A.
Howard A. Hanson Dam project
The Howard A. Hanson Dam project is a major flood-control and water management infrastructure initiative on Washington’s Green River that protects downstream communities in the Puget Sound region.
-
B.
R. L. Harris Dam
R. L. Harris Dam is a hydroelectric dam in Alabama that impounds the Tallapoosa River to form Lake Wedowee and generate power.
-
C.
Nolin River Lake project
The Nolin River Lake project is a U.S. Army Corps of Engineers flood-control and recreation initiative centered on Nolin River Lake in central Kentucky.
-
D.
Saylorville Dam
Saylorville Dam is a large flood-control and recreation dam on the Des Moines River in central Iowa, forming Saylorville Lake just upstream of Des Moines.
-
E.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
- 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: U.S. Army Corps of Engineers (New Hogan Dam and Lake) Target entity description: The U.S. Army Corps of Engineers (New Hogan Dam and Lake) is the federal agency office responsible for operating and maintaining New Hogan Dam and its reservoir on the Calaveras River for flood control, water supply, and recreation.
-
A.
Howard A. Hanson Dam project
The Howard A. Hanson Dam project is a major flood-control and water management infrastructure initiative on Washington’s Green River that protects downstream communities in the Puget Sound region.
-
B.
R. L. Harris Dam
R. L. Harris Dam is a hydroelectric dam in Alabama that impounds the Tallapoosa River to form Lake Wedowee and generate power.
-
C.
Nolin River Lake project
The Nolin River Lake project is a U.S. Army Corps of Engineers flood-control and recreation initiative centered on Nolin River Lake in central Kentucky.
-
D.
Saylorville Dam
Saylorville Dam is a large flood-control and recreation dam on the Des Moines River in central Iowa, forming Saylorville Lake just upstream of Des Moines.
-
E.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Army Corps of Engineers office
ⓘ
federal agency field office ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasPrimaryFunction |
flood control
ⓘ
recreation management ⓘ water supply management ⓘ |
| jurisdictionOver |
New Hogan Dam project
ⓘ
linked to:
New Hogan Dam
New Hogan Lake recreation areas ⓘ |
| locatedInAdministrativeTerritorialEntity |
California
ⓘ
linked to:
California, United States
|
| locatedInCountry |
United States
ⓘ
linked to:
United States of America
|
| locatedOnWaterbody | Calaveras River ⓘ |
| managesReservoir | New Hogan Lake ⓘ |
| operates |
New Hogan Dam
ⓘ
New Hogan Lake ⓘ New Hogan Reservoir ⓘ |
| parentOrganization | U.S. Army Corps of Engineers ⓘ |
| partOfProgram | U.S. Army Corps of Engineers civil works program ⓘ |
| responsibleFor |
maintenance of New Hogan Dam
ⓘ
maintenance of New Hogan Lake ⓘ operation of New Hogan Dam ⓘ operation of New Hogan Lake ⓘ |
| sector |
flood risk management
ⓘ
outdoor recreation ⓘ water resources management ⓘ |
| usesForFloodControl | New Hogan Dam ⓘ |
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: U.S. Army Corps of Engineers (New Hogan Dam and Lake) Description of subject: The U.S. Army Corps of Engineers (New Hogan Dam and Lake) is the federal agency office responsible for operating and maintaining New Hogan Dam and its reservoir on the Calaveras River for flood control, water supply, and recreation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.