Denison Dam
E176062
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Denison Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1355479 — 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: Denison Dam Context triple: [Lake Texoma, createdByStructure, Denison 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.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
C.
Norris Dam
Norris Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in eastern Tennessee, notable as TVA’s first major dam project and a key component of regional flood control and power generation.
-
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.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
- 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: Denison Dam Target entity description: 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.
-
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.
O'Shaughnessy Dam
O'Shaughnessy Dam is a concrete arch-gravity dam in Yosemite National Park that creates the Hetch Hetchy Reservoir, supplying water and hydroelectric power to the San Francisco Bay Area.
-
C.
Norris Dam
Norris Dam is a Tennessee Valley Authority hydroelectric dam on the Clinch River in eastern Tennessee, notable as TVA’s first major dam project and a key component of regional flood control and power generation.
-
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.
Parker Dam
Parker Dam is a concrete arch-gravity dam on the Colorado River best known for creating Lake Havasu and supplying water and hydroelectric power to parts of California and Arizona.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
earthfill dam
ⓘ
flood control structure ⓘ hydroelectric dam ⓘ |
| basin |
Red River Basin
ⓘ
surface form:
Red River basin
|
| constructionCompleted | 1944 ⓘ |
| constructionMethod | rolled earthfill ⓘ |
| constructionStartDate | 1939 ⓘ |
| crosses |
Red River of the South
ⓘ
surface form:
Red River between Texas and Oklahoma
|
| formsReservoir | Lake Texoma ⓘ |
| fundedBy |
United States government
ⓘ
surface form:
United States federal government
|
| hasFeature |
hydroelectric generating units
ⓘ
navigation releases for downstream flow regulation ⓘ |
| hasPowerPlant | Denison Dam Power Plant ⓘ |
| hasSpillway | concrete ogee spillway ⓘ |
| height | approximately 165 feet ⓘ |
| installedCapacity | approximately 120 megawatts ⓘ |
| length | approximately 15,200 feet ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInState |
Oklahoma
ⓘ
Texas ⓘ |
| locatedOnRiver | Red River of the South ⓘ |
| managedBy |
U.S. Army Corps of Engineers
ⓘ
surface form:
U.S. Army Corps of Engineers Tulsa District
|
| namedAfter |
Denison, Texas, United States
ⓘ
surface form:
Denison, Texas
|
| nearCity |
Denison, Texas, United States
ⓘ
surface form:
Denison, Texas
Durant, Oklahoma ⓘ |
| openingDate | 1944 ⓘ |
| operator |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| ownedBy | United States government ⓘ |
| partOf | Red River flood control system ⓘ |
| provides |
hydroelectric energy to regional grid
ⓘ
industrial water supply ⓘ irrigation water ⓘ municipal water supply ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ navigation support ⓘ recreation ⓘ water supply ⓘ |
| regionServed |
North Texas
ⓘ
Southern Oklahoma ⓘ |
| reservoirName | Lake Texoma ⓘ |
| reservoirSurfaceArea | approximately 89,000 acres ⓘ |
| reservoirTotalCapacity | approximately 2,500,000 acre-feet ⓘ |
| spillwayType | gated spillway ⓘ |
| usedFor |
camping
ⓘ
fishing ⓘ recreational boating ⓘ |
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: Denison Dam Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.