Shellmouth Dam
E450476
Shellmouth Dam is a major flood control and water management structure on the Assiniboine River in Manitoba, Canada, helping regulate river flow and protect downstream communities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Shellmouth Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3934216 — 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: Shellmouth Dam Context triple: [Assiniboine River, hasInfrastructure, Shellmouth Dam]
-
A.
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.
-
B.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
C.
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.
-
D.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
-
E.
Walterville Dam
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
- 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: Shellmouth Dam Target entity description: Shellmouth Dam is a major flood control and water management structure on the Assiniboine River in Manitoba, Canada, helping regulate river flow and protect downstream communities.
-
A.
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.
-
B.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
C.
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.
-
D.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
-
E.
Walterville Dam
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
flood control structure ⓘ water management infrastructure ⓘ |
| associatedWith | Lake of the Prairies Provincial Park ⓘ |
| basinCountry | Canada ⓘ |
| benefits |
enhanced water availability during dry periods
ⓘ
flood protection for communities along the Assiniboine River ⓘ flood protection for downstream communities in Manitoba ⓘ |
| constructionMaterial | earthfill ⓘ |
| controlsFlowOf | Assiniboine River ⓘ |
| country | Canada ⓘ |
| createsReservoir | Lake of the Prairies ⓘ |
| damType | earthfill dam ⓘ |
| downstreamCityProtected |
Brandon, Manitoba
ⓘ
Portage la Prairie, Manitoba ⓘ Winnipeg, Manitoba ⓘ
linked to:
Winnipeg, Manitoba, Canada
|
| function |
reduction of peak flood levels downstream
ⓘ
storage of spring runoff ⓘ support of irrigation and water supply needs ⓘ |
| hasOutletWorks | yes ⓘ |
| hasSpillway | yes ⓘ |
| hasUse |
angling on Lake of the Prairies
ⓘ
recreation on Lake of the Prairies ⓘ water level regulation for agricultural areas downstream ⓘ |
| impact |
creation of reservoir-based recreation opportunities
ⓘ
modification of natural flow regime of the Assiniboine River ⓘ reduction of flood risk in downstream agricultural lands ⓘ |
| locatedIn | Manitoba ⓘ |
| locatedInCountrySubdivision | Rural Municipality of Shellmouth-Boulton (historical) ⓘ |
| locatedInRegion | southwestern Manitoba ⓘ |
| locatedNear | Shellmouth, Manitoba ⓘ |
| locatedOnRiver | Assiniboine River ⓘ |
| managingAuthority |
Province of Manitoba
ⓘ
linked to:
Manitoba
|
| owner | Government of Manitoba ⓘ |
| partOf |
Assiniboine River flood control system
ⓘ
Red–Assiniboine River basin flood management system ⓘ
linked to:
Red River flood control system
|
| purpose |
flood control
ⓘ
protection of downstream communities ⓘ river flow regulation ⓘ water management ⓘ |
| regionServed |
Assiniboine River basin
ⓘ
linked to:
Assiniboine River
|
| reservoirName | Lake of the Prairies ⓘ |
| watercourse | Assiniboine 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: Shellmouth Dam Description of subject: Shellmouth Dam is a major flood control and water management structure on the Assiniboine River in Manitoba, Canada, helping regulate river flow and protect downstream communities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.