Lahontan Dam
E144543
Lahontan Dam is a large early-20th-century concrete gravity dam in western Nevada that creates Lahontan Reservoir for irrigation, flood control, and recreation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lahontan Dam canonical | 5 |
| Lahontan Reservoir | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1164358 — 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: Lahontan Dam Context triple: [Carson River, hasDam, Lahontan Dam]
-
A.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
B.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
C.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
D.
Serre-Ponçon Dam
Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
-
E.
Ruza Reservoir
Ruza Reservoir is a large artificial lake in the Moscow region of Russia, created by damming the Ruza River to serve as a key source of water supply 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: Lahontan Dam Target entity description: Lahontan Dam is a large early-20th-century concrete gravity dam in western Nevada that creates Lahontan Reservoir for irrigation, flood control, and recreation.
-
A.
Itezhi-Tezhi Dam
Itezhi-Tezhi Dam is a major hydroelectric and water-regulation dam in Zambia that helps control flows and generate power along the Kafue River system, a key tributary of the Zambezi.
-
B.
Almatti Dam
Almatti Dam is a major hydroelectric and irrigation dam in Karnataka, India, built across the Krishna River as part of the Upper Krishna Project.
-
C.
Jurala Dam
Jurala Dam is a major irrigation and hydroelectric project built across the Krishna River in Telangana, India.
-
D.
Serre-Ponçon Dam
Serre-Ponçon Dam is a large hydroelectric and irrigation dam in southeastern France that creates one of Western Europe’s biggest artificial lakes.
-
E.
Ruza Reservoir
Ruza Reservoir is a large artificial lake in the Moscow region of Russia, created by damming the Ruza River to serve as a key source of water supply and recreation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
dam ⓘ irrigation infrastructure ⓘ |
| basin |
Carson River
ⓘ
surface form:
Carson River basin
|
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Concrete dams
ⓘ
Dams in Nevada ⓘ Gravity dams ⓘ United States Bureau of Reclamation dams ⓘ |
| completionTime | early 20th century ⓘ |
| constructionBegan | early 20th century ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Lahontan Reservoir ⓘ |
| hasFunction |
regulation of Carson River flows
ⓘ
storage of spring runoff ⓘ |
| hasReservoir | Lahontan Reservoir ⓘ |
| isPartOf |
Bureau of Reclamation
ⓘ
surface form:
United States Bureau of Reclamation facilities
|
| locatedIn | Nevada ⓘ |
| locatedInCounty |
Churchill County
ⓘ
surface form:
Churchill County, Nevada
Lyon County, Nevada ⓘ |
| locatedInRegion | western Nevada ⓘ |
| locatedInState | Nevada ⓘ |
| locatedNear | Fallon, Nevada ⓘ |
| locatedOnRiver | Carson River ⓘ |
| managesWaterFor | Newlands Irrigation Project lands ⓘ |
| material | concrete ⓘ |
| namedAfter |
Lake Bonneville
ⓘ
surface form:
Lake Lahontan
|
| operator |
Bureau of Reclamation
ⓘ
surface form:
U.S. Bureau of Reclamation
|
| partOfProject |
Yakima Project
ⓘ
surface form:
Newlands Project
|
| purpose |
flood control
ⓘ
irrigation ⓘ recreation ⓘ |
| region | Great Basin ⓘ |
| reservoirName | Lahontan Reservoir ⓘ |
| reservoirPurpose |
flood control
ⓘ
irrigation water supply ⓘ recreation ⓘ |
| structuralType | gravity dam ⓘ |
| supportsActivity |
irrigated agriculture in western Nevada
ⓘ
recreational boating on Lahontan Reservoir ⓘ recreational fishing on Lahontan Reservoir ⓘ |
| usedFor |
agricultural irrigation
ⓘ
boating ⓘ fishing ⓘ flood mitigation ⓘ outdoor recreation ⓘ water storage ⓘ |
| watercourse | Carson River ⓘ |
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: Lahontan Dam Description of subject: Lahontan Dam is a large early-20th-century concrete gravity dam in western Nevada that creates Lahontan Reservoir for irrigation, flood control, and recreation.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lahontan Reservoir
this entity surface form:
Lahontan Reservoir
this entity surface form:
Lahontan Reservoir