Green Peter Dam
E612720
Green Peter Dam is a large concrete hydroelectric and flood-control dam located on the Middle Santiam River in western Oregon, United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Green Peter Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6710359 — 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: Green Peter Dam Context triple: [Santiam River, hasDam, Green Peter Dam]
-
A.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
B.
Gerber Dam
Gerber Dam is an irrigation and water storage dam in southern Oregon that helps regulate water supply for agriculture and flood control within the Klamath Basin.
-
C.
Duncan Dam
Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
-
D.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
-
E.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
- 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: Green Peter Dam Target entity description: Green Peter Dam is a large concrete hydroelectric and flood-control dam located on the Middle Santiam River in western Oregon, United States.
-
A.
Denison Dam
Denison Dam is a large earthen dam on the Red River between Texas and Oklahoma, built for flood control, hydroelectric power generation, and water supply.
-
B.
Gerber Dam
Gerber Dam is an irrigation and water storage dam in southern Oregon that helps regulate water supply for agriculture and flood control within the Klamath Basin.
-
C.
Duncan Dam
Duncan Dam is a major hydroelectric and flood-control dam on the Duncan River in British Columbia, forming part of the Columbia River Treaty system.
-
D.
Fengman Dam
Fengman Dam is a large hydroelectric gravity dam on the Songhua River in Jilin Province, China, known for its significant role in regional power generation and flood control.
-
E.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
concrete dam
ⓘ
flood-control dam ⓘ hydroelectric dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| constructionBegan | 1963 ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| energySource | hydropower ⓘ |
| floodControlFor |
Willamette River system
ⓘ
linked to:
Willamette River
|
| hasFunction |
downstream flow regulation
ⓘ
fish and wildlife habitat support ⓘ water storage ⓘ |
| hasRecreationArea | Green Peter Reservoir recreation sites ⓘ |
| hasSpillway | yes ⓘ |
| height |
about 155 meters
ⓘ
about 510 feet ⓘ |
| impounds | Green Peter Lake ⓘ |
| isUpstreamOf | Foster Dam ⓘ |
| length |
about 1,700 feet
ⓘ
about 520 meters ⓘ |
| locatedIn |
Linn County, Oregon
ⓘ
Oregon ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInRegion | western Oregon ⓘ |
| locatedInWatershed |
Willamette River watershed
ⓘ
linked to:
Willamette River
|
| locatedOn |
Middle Santiam River
ⓘ
linked to:
Santiam River
|
| managedBy | Portland District, U.S. Army Corps of Engineers ⓘ |
| nearCity | Sweet Home, Oregon ⓘ |
| openingDate | 1967 ⓘ |
| operator |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| owner |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| partOf |
Willamette River basin flood control system
ⓘ
linked to:
Willamette Valley Project dams
|
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ |
| region | Pacific Northwest ⓘ |
| reservoir | Green Peter Lake ⓘ |
| river |
Middle Santiam River
ⓘ
linked to:
Santiam River
|
| state | Oregon ⓘ |
| structureMaterial | concrete ⓘ |
| typeOfDam | concrete gravity dam ⓘ |
| uses | Middle Santiam River flow ⓘ |
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: Green Peter Dam Description of subject: Green Peter Dam is a large concrete hydroelectric and flood-control dam located on the Middle Santiam River in western Oregon, United States.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.