J.C. Boyle Dam
E452673
J.C. Boyle Dam is a hydroelectric dam on the Klamath River in southern Oregon, known for power generation and its role in regional water and environmental management.
All labels observed (1)
| Label | Occurrences |
|---|---|
| J.C. Boyle Dam canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4015917 — 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: J.C. Boyle Dam Context triple: [Klamath River, hasDam, J.C. Boyle Dam]
-
A.
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.
-
B.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
C.
Jim Woodruff Dam
Jim Woodruff Dam is a hydroelectric and flood-control dam on the Apalachicola River at the Florida–Georgia border, forming Lake Seminole and helping regulate water flow in the region.
-
D.
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.
-
E.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
- 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: J.C. Boyle Dam Target entity description: J.C. Boyle Dam is a hydroelectric dam on the Klamath River in southern Oregon, known for power generation and its role in regional water and environmental management.
-
A.
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.
-
B.
Wheeler Dam
Wheeler Dam is a hydroelectric dam on the Tennessee River in northern Alabama that forms Wheeler Lake and helps provide power, navigation, and flood control in the region.
-
C.
Jim Woodruff Dam
Jim Woodruff Dam is a hydroelectric and flood-control dam on the Apalachicola River at the Florida–Georgia border, forming Lake Seminole and helping regulate water flow in the region.
-
D.
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.
-
E.
Red Rock Dam
Red Rock Dam is a large flood-control and hydroelectric dam on the Des Moines River in central Iowa, forming Lake Red Rock as the state’s largest reservoir.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| affects | fish migration in the Klamath River ⓘ |
| associatedWithIssue |
environmental restoration on the Klamath River
ⓘ
water rights disputes in the Klamath Basin ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| countrySubdivision | Pacific Power service area ⓘ |
| energySource | hydropower ⓘ |
| hasEnvironmentalConcern |
impacts on salmon habitat
ⓘ
water quality in the Klamath River ⓘ |
| hasFunction | peaking power generation ⓘ |
| hasReservoir | J.C. Boyle Reservoir ⓘ |
| hasStructure |
powerhouse
ⓘ
spillway ⓘ |
| impact | modification of Klamath River flow regime ⓘ |
| locatedDownstreamOf | Keno Dam ⓘ |
| locatedInCounty | Klamath County, Oregon ⓘ |
| locatedInRegion | southern Oregon ⓘ |
| locatedInState | Oregon ⓘ |
| locatedNear | Keno, Oregon ⓘ |
| locatedOnRiver | Klamath River ⓘ |
| locatedUpstreamOf |
Copco 1 Dam
ⓘ
linked to:
Copco Dam No. 1
Copco 2 Dam ⓘ
linked to:
Copco No. 2 Dam
Iron Gate Dam ⓘ |
| namedAfter | J. C. Boyle ⓘ |
| nearBorder |
California–Oregon border
ⓘ
linked to:
Oregon–California border
|
| nearProtectedArea | Klamath Basin wildlife habitats ⓘ |
| operatedBy | PacifiCorp ⓘ |
| ownedBy | PacifiCorp ⓘ |
| partOf |
Klamath Basin water infrastructure
ⓘ
Klamath River Hydroelectric Project ⓘ Klamath River hydropower system ⓘ
linked to:
Klamath River Hydroelectric Project
|
| plannedAction | removal as part of Klamath River dam removal project ⓘ |
| primaryUse | hydroelectric power generation ⓘ |
| regionServed | Pacific Northwest ⓘ |
| regulates | downstream flows on the Klamath River ⓘ |
| regulatoryJurisdiction | Federal Energy Regulatory Commission ⓘ |
| riverSystem |
Klamath River basin
ⓘ
linked to:
Klamath Basin
|
| status | operational ⓘ |
| subjectOf |
Klamath River dam removal agreements
ⓘ
environmental impact assessments ⓘ |
| use |
environmental flow management
ⓘ
water management ⓘ |
| watercourse | Klamath 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: J.C. Boyle Dam Description of subject: J.C. Boyle Dam is a hydroelectric dam on the Klamath River in southern Oregon, known for power generation and its role in regional water and environmental management.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.