Harriman Dam
E542275
Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Harriman Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5520410 — 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: Harriman Dam Context triple: [Deerfield River, hasDam, Harriman Dam]
-
A.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
- 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: Harriman Dam Target entity description: Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
-
A.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
McClure Dam
McClure Dam is a hydroelectric dam on the Dead River in Michigan, forming McClure Basin and providing power and water management for the surrounding region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionStartDate | 1920 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Harriman Reservoir NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| forms | Harriman Reservoir NERFINISHED ⓘ |
| hasPowerPlant | Harriman hydroelectric generating station NERFINISHED ⓘ |
| hasRecreationArea | Harriman Reservoir recreation sites NERFINISHED ⓘ |
| hasReservoir | Harriman Reservoir NERFINISHED ⓘ |
| hasSpillway | concrete spillway ⓘ |
| hasTypeOfTurbine | Francis turbine ⓘ |
| height | about 215 feet ⓘ |
| impounds | Deerfield River NERFINISHED ⓘ |
| isInfrastructureType | hydroelectric infrastructure in Vermont ⓘ |
| isOwnedByType | private energy company ⓘ |
| isPartOfCascadeOn | Deerfield River NERFINISHED ⓘ |
| isRegulatedBy | Federal Energy Regulatory Commission NERFINISHED ⓘ |
| isTouristAttractionIn | Windham County, Vermont NERFINISHED ⓘ |
| isUpstreamOf | Sherman Dam NERFINISHED ⓘ |
| length | about 1,250 feet ⓘ |
| locatedIn |
Vermont
ⓘ
Windham County, Vermont NERFINISHED ⓘ |
| locatedNear |
Whitingham, Vermont
NERFINISHED
ⓘ
Wilmington, Vermont NERFINISHED ⓘ |
| locatedOnRiver | Deerfield River NERFINISHED ⓘ |
| namedAfter | Henry I. Harriman NERFINISHED ⓘ |
| openingDate | 1923 ⓘ |
| operator | Great River Hydro LLC NERFINISHED ⓘ |
| owner | Great River Hydro LLC NERFINISHED ⓘ |
| partOf | Deerfield River hydroelectric project NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ |
| region | New England NERFINISHED ⓘ |
| reservoirAlternateName | Lake Whitingham NERFINISHED ⓘ |
| reservoirIsOneOfLargestLakesIn | Vermont NERFINISHED ⓘ |
| reservoirName | Harriman Reservoir NERFINISHED ⓘ |
| reservoirSurfaceArea | about 2,000 acres ⓘ |
| reservoirType | artificial lake ⓘ |
| riverSystem | Connecticut River basin NERFINISHED ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ swimming ⓘ wildlife habitat ⓘ |
| watercourse | Deerfield 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: Harriman Dam Description of subject: Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.