Raystown Dam
E1044251
Raystown Dam is a large flood-control and hydroelectric dam in central Pennsylvania that creates Raystown Lake, a major regional recreation and boating destination.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Raystown Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11952936 — 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: Raystown Dam Context triple: [Juniata River, hasDam, Raystown Dam]
-
A.
Waddell Dam
Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
-
B.
Granger Dam
Granger Dam is a flood-control and water-management structure located on the San Gabriel River in Southern California.
-
C.
Buchanan Dam
Buchanan Dam is a large concrete gravity dam on the Colorado River in Central Texas, forming Lake Buchanan as part of the region’s water supply and flood control system.
-
D.
Leesville Dam
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
-
E.
Eufaula Dam
Eufaula Dam is a major flood-control and hydroelectric dam on the Arkansas River in Oklahoma that forms Lake Eufaula, one of the largest reservoirs in the United States.
- 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: Raystown Dam Target entity description: Raystown Dam is a large flood-control and hydroelectric dam in central Pennsylvania that creates Raystown Lake, a major regional recreation and boating destination.
-
A.
Waddell Dam
Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
-
B.
Granger Dam
Granger Dam is a flood-control and water-management structure located on the San Gabriel River in Southern California.
-
C.
Buchanan Dam
Buchanan Dam is a large concrete gravity dam on the Colorado River in Central Texas, forming Lake Buchanan as part of the region’s water supply and flood control system.
-
D.
Leesville Dam
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
-
E.
Eufaula Dam
Eufaula Dam is a major flood-control and hydroelectric dam on the Arkansas River in Oklahoma that forms Lake Eufaula, one of the largest reservoirs in the United States.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
dam ⓘ flood control structure ⓘ hydroelectric dam ⓘ reservoir ⓘ |
| activity |
camping
ⓘ
fishing ⓘ swimming ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
United States ⓘ
linked to:
United States of America
|
| createsReservoir | Raystown Lake ⓘ |
| hasRecreationalArea | Raystown Lake ⓘ |
| impounds | Raystown Branch Juniata River ⓘ |
| locatedIn |
Huntingdon County, Pennsylvania
ⓘ
Huntingdon County, Pennsylvania ⓘ Pennsylvania ⓘ Pennsylvania ⓘ central Pennsylvania ⓘ |
| majorRecreationDestinationFor |
central Pennsylvania
ⓘ
linked to:
Central Pennsylvania
|
| operator | U.S. Army Corps of Engineers ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation support ⓘ |
| regionServed |
central Pennsylvania
ⓘ
linked to:
Central Pennsylvania
|
| river | Raystown Branch Juniata River ⓘ |
| use |
boating
ⓘ
flood control ⓘ hydroelectric power generation ⓘ recreation ⓘ |
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: Raystown Dam Description of subject: Raystown Dam is a large flood-control and hydroelectric dam in central Pennsylvania that creates Raystown Lake, a major regional recreation and boating destination.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.