Anderson Ranch Dam
E944032
Anderson Ranch Dam is a large concrete arch dam in southwestern Idaho that creates Anderson Ranch Reservoir and provides hydroelectric power, irrigation storage, and flood control on the Boise River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Anderson Ranch Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11051873 — 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: Anderson Ranch Dam Context triple: [Boise River, hasDam, Anderson Ranch Dam]
-
A.
Indian Valley Dam
Indian Valley Dam is an earth-fill embankment dam in Lake County, California, that creates Indian Valley Reservoir for water storage, flood control, and recreation along Cache Creek.
-
B.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
C.
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.
-
D.
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.
-
E.
Arrowrock Dam
Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.
- 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: Anderson Ranch Dam Target entity description: Anderson Ranch Dam is a large concrete arch dam in southwestern Idaho that creates Anderson Ranch Reservoir and provides hydroelectric power, irrigation storage, and flood control on the Boise River.
-
A.
Indian Valley Dam
Indian Valley Dam is an earth-fill embankment dam in Lake County, California, that creates Indian Valley Reservoir for water storage, flood control, and recreation along Cache Creek.
-
B.
LaBarge Dam
LaBarge Dam is a small hydroengineering structure located on the Thornapple River in Michigan, used primarily for water level control and local recreation.
-
C.
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.
-
D.
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.
-
E.
Arrowrock Dam
Arrowrock Dam is an early 20th-century concrete arch dam in Idaho, notable for its role in irrigation, flood control, and hydroelectric power generation in the Boise River basin.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
concrete arch dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| constructionStartDate | 1941 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Anderson Ranch Reservoir NERFINISHED ⓘ |
| damType | arch dam ⓘ |
| hasPowerPlant | Anderson Ranch Dam Powerplant NERFINISHED ⓘ |
| height | about 456 feet ⓘ |
| length | about 1,300 feet ⓘ |
| locatedIn |
Elmore County, Idaho
NERFINISHED
ⓘ
Idaho ⓘ United States of America ⓘ
surface form:
United States
|
| locatedNear | Mountain Home, Idaho NERFINISHED ⓘ |
| locatedOnWatercourse | South Fork Boise River NERFINISHED ⓘ |
| managingAgency | United States Bureau of Reclamation NERFINISHED ⓘ |
| material | concrete ⓘ |
| openingDate | 1950 ⓘ |
| operator | United States Bureau of Reclamation NERFINISHED ⓘ |
| owner | United States Bureau of Reclamation NERFINISHED ⓘ |
| partOf |
Boise Project
NERFINISHED
ⓘ
Boise River system NERFINISHED ⓘ |
| powerPlantType | hydroelectric power plant ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation storage ⓘ |
| region | southwestern Idaho NERFINISHED ⓘ |
| reservoirCapacity | about 493,000 acre-feet ⓘ |
| reservoirName | Anderson Ranch Reservoir NERFINISHED ⓘ |
| usedFor |
recreation on Anderson Ranch Reservoir
ⓘ
water storage ⓘ |
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: Anderson Ranch Dam Description of subject: Anderson Ranch Dam is a large concrete arch dam in southwestern Idaho that creates Anderson Ranch Reservoir and provides hydroelectric power, irrigation storage, and flood control on the Boise River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.