Jennings Randolph Dam
E833260
Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jennings Randolph Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9213723 — 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: Jennings Randolph Dam Context triple: [Jennings Randolph Lake, hasPart, Jennings Randolph Dam]
-
A.
Harriman Dam
Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
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B.
Leesville Dam
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
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C.
W. Kerr Scott Dam
W. Kerr Scott Dam is a U.S. Army Corps of Engineers flood-control and recreation dam in North Carolina that creates W. Kerr Scott Reservoir on the Yadkin River.
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D.
J. Strom Thurmond Dam
J. Strom Thurmond Dam is a large hydroelectric and flood-control dam on the Savannah River that creates one of the Southeast United States’ biggest reservoirs.
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E.
High Rock Dam
High Rock Dam is a hydroelectric dam in North Carolina that impounds the Yadkin River to form High Rock Lake, a major reservoir for power generation and recreation.
- 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: Jennings Randolph Dam Target entity description: Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
-
A.
Harriman Dam
Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
-
B.
Leesville Dam
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
-
C.
W. Kerr Scott Dam
W. Kerr Scott Dam is a U.S. Army Corps of Engineers flood-control and recreation dam in North Carolina that creates W. Kerr Scott Reservoir on the Yadkin River.
-
D.
J. Strom Thurmond Dam
J. Strom Thurmond Dam is a large hydroelectric and flood-control dam on the Savannah River that creates one of the Southeast United States’ biggest reservoirs.
-
E.
High Rock Dam
High Rock Dam is a hydroelectric dam in North Carolina that impounds the Yadkin River to form High Rock Lake, a major reservoir for power generation and recreation.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
flood control structure ⓘ water supply dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| borderRiverSection | Maryland–West Virginia border NERFINISHED ⓘ |
| constructionMaterial | earth ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| damType | embankment dam ⓘ |
| hasFloodControlRole |
protects downstream communities
ⓘ
reduces flooding on the Potomac River ⓘ |
| hasFunction |
drought mitigation
ⓘ
flow regulation ⓘ recreational use support ⓘ water quality management ⓘ |
| hasRecreationArea | Jennings Randolph Lake recreation area NERFINISHED ⓘ |
| hasReservoir | Jennings Randolph Lake NERFINISHED ⓘ |
| hasUse |
downstream flow augmentation
ⓘ
industrial water supply ⓘ municipal water supply ⓘ |
| isInfrastructureType | hydraulic engineering structure ⓘ |
| isLocatedUpstreamOf |
Cumberland, Maryland
NERFINISHED
ⓘ
Washington, D.C. NERFINISHED ⓘ |
| isPartOf | United States Army Corps of Engineers civil works projects NERFINISHED ⓘ |
| locatedIn |
Maryland
ⓘ
West Virginia NERFINISHED ⓘ |
| locatedInContinent | North America ⓘ |
| locatedInCountrySubdivision |
Allegany County, Maryland
NERFINISHED
ⓘ
Mineral County, West Virginia NERFINISHED ⓘ |
| locatedInRegion | Appalachian Mountains NERFINISHED ⓘ |
| locatedOnBorderBetween |
Maryland
NERFINISHED
ⓘ
West Virginia NERFINISHED ⓘ |
| locatedOnRiver | North Branch Potomac River NERFINISHED ⓘ |
| managesReservoir | Jennings Randolph Lake NERFINISHED ⓘ |
| namedAfter | Jennings Randolph NERFINISHED ⓘ |
| operator | United States Army Corps of Engineers NERFINISHED ⓘ |
| partOf | North Branch Potomac River flood control system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
recreation ⓘ water supply ⓘ |
| riverBasin | Potomac River basin NERFINISHED ⓘ |
| supportsActivity |
boating
ⓘ
camping ⓘ fishing ⓘ hiking ⓘ |
| watercourse | North Branch Potomac River NERFINISHED ⓘ |
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: Jennings Randolph Dam Description of subject: Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.