C. J. Brown Dam
E690497
C. J. Brown Dam is an engineered structure in Ohio that impounds the C. J. Brown Reservoir for purposes such as flood control, water management, and recreation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| C. J. Brown Dam canonical | 1 |
| C. J. Brown Dam and Reservoir Project | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7684160 — 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: C. J. Brown Dam Context triple: [C. J. Brown Reservoir, hasFacility, C. J. Brown Dam]
-
A.
J.C. Boyle Dam
J.C. Boyle Dam is a hydroelectric dam on the Klamath River in southern Oregon, known for power generation and its role in regional water and environmental management.
-
B.
Jim Woodruff Dam
Jim Woodruff Dam is a hydroelectric and flood-control dam on the Apalachicola River at the Florida–Georgia border, forming Lake Seminole and helping regulate water flow in the region.
-
C.
Morris Sheppard Dam
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
D.
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.
-
E.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
- 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: C. J. Brown Dam Target entity description: C. J. Brown Dam is an engineered structure in Ohio that impounds the C. J. Brown Reservoir for purposes such as flood control, water management, and recreation.
-
A.
J.C. Boyle Dam
J.C. Boyle Dam is a hydroelectric dam on the Klamath River in southern Oregon, known for power generation and its role in regional water and environmental management.
-
B.
Jim Woodruff Dam
Jim Woodruff Dam is a hydroelectric and flood-control dam on the Apalachicola River at the Florida–Georgia border, forming Lake Seminole and helping regulate water flow in the region.
-
C.
Morris Sheppard Dam
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
D.
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.
-
E.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
flood control structure ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| completedIn | 1970s ⓘ |
| constructionBegan | 1960s ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasFunction |
reduction of downstream flood risk
ⓘ
regulation of Buck Creek flow ⓘ |
| hasReservoir | C. J. Brown Reservoir ⓘ |
| impounds | C. J. Brown Reservoir ⓘ |
| locatedIn |
Clark County, Ohio
ⓘ
Ohio ⓘ |
| locatedInProtectedArea | C. J. Brown Reservoir State Park ⓘ |
| locatedNear | Springfield, Ohio ⓘ |
| locatedOnWatercourse | Buck Creek ⓘ |
| managedBy |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| namedAfter | Clarence J. Brown ⓘ |
| nearCity | Springfield, Ohio ⓘ |
| operatedBy | United States Army Corps of Engineers Louisville District ⓘ |
| partOf |
C. J. Brown Dam and Reservoir Project
ⓘ
linked to:
C. J. Brown Dam
Miami River flood control system ⓘ |
| purpose |
flood control
ⓘ
recreation ⓘ water management ⓘ |
| region | Midwestern United States ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ outdoor recreation ⓘ wildlife habitat management ⓘ |
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: C. J. Brown Dam Description of subject: C. J. Brown Dam is an engineered structure in Ohio that impounds the C. J. Brown Reservoir for purposes such as flood control, water management, and recreation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: C. J. Brown Dam