Buchanan Dam
E1001376
Buchanan Dam is a large concrete gravity dam on the Colorado River in Central Texas, forming Lake Buchanan as part of the region’s water supply and flood control system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Buchanan Dam canonical | 1 |
| Community of Buchanan Dam | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11604872 — 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: Buchanan Dam Context triple: [Burnet County, Texas, contains, Buchanan 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.
Granger Dam
Granger Dam is a flood-control and water-management structure located on the San Gabriel River in Southern California.
-
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.
Waddell Dam
Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
-
E.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
- 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: Buchanan Dam Target entity description: Buchanan Dam is a large concrete gravity dam on the Colorado River in Central Texas, forming Lake Buchanan as part of the region’s water supply and flood control system.
-
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.
Granger Dam
Granger Dam is a flood-control and water-management structure located on the San Gabriel River in Southern California.
-
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.
Waddell Dam
Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
-
E.
Goodwin Dam
Goodwin Dam is a concrete gravity diversion dam on California’s Stanislaus River that helps regulate river flow and supplies irrigation water to surrounding agricultural areas.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
concrete gravity dam
ⓘ
dam ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Lake Buchanan NERFINISHED ⓘ |
| damType | gravity dam ⓘ |
| forms | Lake Buchanan NERFINISHED ⓘ |
| function |
recreation support on Lake Buchanan
ⓘ
regulation of river flow ⓘ storage of drinking water ⓘ |
| isPartOf |
regional flood control system
ⓘ
regional water supply system ⓘ |
| locatedIn |
Central Texas
NERFINISHED
ⓘ
Texas ⓘ United States of America ⓘ
surface form:
United States
|
| locatedNear |
Burnet County, Texas
NERFINISHED
ⓘ
Llano County, Texas NERFINISHED ⓘ |
| locatedOnRiver | Colorado River NERFINISHED ⓘ |
| material | concrete ⓘ |
| namedAfter | Lake Buchanan NERFINISHED ⓘ |
| partOf | Lower Colorado River water management system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
water supply ⓘ |
| regionServed | Central Texas NERFINISHED ⓘ |
| reservoirName | Lake Buchanan NERFINISHED ⓘ |
| riverBasin | Colorado River basin NERFINISHED ⓘ |
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: Buchanan Dam Description of subject: Buchanan Dam is a large concrete gravity dam on the Colorado River in Central Texas, forming Lake Buchanan as part of the region’s water supply and flood control system.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Community of Buchanan Dam