Loyalhanna Dam, Pennsylvania
E920520
Loyalhanna Dam, Pennsylvania is a flood-control and recreation area on the Loyalhanna Creek in Westmoreland County, known for its reservoir, fishing, and outdoor activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Loyalhanna Dam, Pennsylvania canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11342305 — 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: Loyalhanna Dam, Pennsylvania Context triple: [Ligonier Valley, containsSettlement, Loyalhanna Dam, Pennsylvania]
-
A.
Youghiogheny Dam
Youghiogheny Dam is a concrete gravity dam in southwestern Pennsylvania that creates Youghiogheny River Lake, providing flood control, recreation, and hydroelectric power for the region.
-
B.
Neversink Dam
Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
-
C.
Tioga Dam
Tioga Dam is a flood-control and water-management structure on the Tioga River in Pennsylvania, forming part of a reservoir system used for recreation and regional water regulation.
-
D.
Delaware Dam
Delaware Dam is a flood-control and water-management structure located on the Olentangy River in central Ohio.
-
E.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
- 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: Loyalhanna Dam, Pennsylvania Target entity description: Loyalhanna Dam, Pennsylvania is a flood-control and recreation area on the Loyalhanna Creek in Westmoreland County, known for its reservoir, fishing, and outdoor activities.
-
A.
Youghiogheny Dam
Youghiogheny Dam is a concrete gravity dam in southwestern Pennsylvania that creates Youghiogheny River Lake, providing flood control, recreation, and hydroelectric power for the region.
-
B.
Neversink Dam
Neversink Dam is a large earthen reservoir dam in New York’s Catskill Mountains that forms part of the New York City water supply system.
-
C.
Tioga Dam
Tioga Dam is a flood-control and water-management structure on the Tioga River in Pennsylvania, forming part of a reservoir system used for recreation and regional water regulation.
-
D.
Delaware Dam
Delaware Dam is a flood-control and water-management structure located on the Olentangy River in central Ohio.
-
E.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
flood control structure ⓘ recreation area ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Dams in Pennsylvania
ⓘ
Protected areas of Westmoreland County, Pennsylvania ⓘ Reservoirs in Pennsylvania ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| creates | Loyalhanna Lake NERFINISHED ⓘ |
| environmentalRole |
habitat for fish
ⓘ
habitat for waterfowl ⓘ |
| floodControlFunction |
provides downstream flood protection
ⓘ
reduces peak flows on Loyalhanna Creek ⓘ |
| hasFacility |
boat launch
ⓘ
fishing access ⓘ picnic areas ⓘ trails ⓘ |
| hasPart |
Loyalhanna Lake
NERFINISHED
ⓘ
reservoir ⓘ |
| hasRecreationArea | Loyalhanna Lake recreation area ⓘ |
| impounds | Loyalhanna Creek NERFINISHED ⓘ |
| locatedIn | Westmoreland County, Pennsylvania NERFINISHED ⓘ |
| locatedOnWatercourse | Loyalhanna Creek NERFINISHED ⓘ |
| managesFloodRiskFor |
Loyalhanna Creek watershed
NERFINISHED
ⓘ
communities downstream on Loyalhanna Creek ⓘ |
| near |
Ligonier Valley
NERFINISHED
ⓘ
Saltsburg, Pennsylvania NERFINISHED ⓘ |
| operator |
U.S. Army Corps of Engineers
NERFINISHED
ⓘ
U.S. Army Corps of Engineers Pittsburgh District NERFINISHED ⓘ |
| ownedBy | United States government ⓘ |
| purpose |
flood control
ⓘ
recreation ⓘ |
| recreationActivity |
camping (nearby areas)
ⓘ
canoeing ⓘ kayaking ⓘ warmwater fishing ⓘ |
| region | Western Pennsylvania NERFINISHED ⓘ |
| state | Pennsylvania ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ hiking ⓘ picnicking ⓘ wildlife observation ⓘ |
| waterBodyType | artificial lake ⓘ |
| watercourseDam | Loyalhanna Creek 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: Loyalhanna Dam, Pennsylvania Description of subject: Loyalhanna Dam, Pennsylvania is a flood-control and recreation area on the Loyalhanna Creek in Westmoreland County, known for its reservoir, fishing, and outdoor activities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Ligonier Valley