Fort Randall Dam
E481812
Fort Randall Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Missouri River in South Dakota, forming Lake Francis Case.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Randall Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4528894 — 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: Fort Randall Dam Context triple: [Missouri River Basin, hasMajorDam, Fort Randall Dam]
-
A.
Rock Island Dam
Rock Island Dam is a hydroelectric dam on the Columbia River in Washington State, notable as one of the first major dams built on the river for power generation and river control.
-
B.
Lewisville Dam
Lewisville Dam is an earthen embankment dam in North Texas that impounds the Elm Fork of the Trinity River to form Lewisville Lake for flood control, water supply, and recreation.
-
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.
Richard B. Russell Dam
Richard B. Russell Dam is a hydroelectric and flood-control structure on the Savannah River that creates Richard B. Russell Lake along the Georgia–South Carolina border.
-
E.
Palisade Dam
Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
- 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: Fort Randall Dam Target entity description: Fort Randall Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Missouri River in South Dakota, forming Lake Francis Case.
-
A.
Rock Island Dam
Rock Island Dam is a hydroelectric dam on the Columbia River in Washington State, notable as one of the first major dams built on the river for power generation and river control.
-
B.
Lewisville Dam
Lewisville Dam is an earthen embankment dam in North Texas that impounds the Elm Fork of the Trinity River to form Lewisville Lake for flood control, water supply, and recreation.
-
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.
Richard B. Russell Dam
Richard B. Russell Dam is a hydroelectric and flood-control structure on the Savannah River that creates Richard B. Russell Lake along the Georgia–South Carolina border.
-
E.
Palisade Dam
Palisade Dam is an irrigation and water storage structure located on the Sevier River in central Utah, supporting local agriculture and recreation.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army Corps of Engineers project
ⓘ
flood control structure ⓘ gravity dam ⓘ hydroelectric dam ⓘ |
| basinCountry | United States of America ⓘ |
| constructionEndDate | 1956 ⓘ |
| constructionStartDate | 1946 ⓘ |
| country | United States of America ⓘ |
| downstreamFrom | Big Bend Dam NERFINISHED ⓘ |
| formsReservoir | Lake Francis Case NERFINISHED ⓘ |
| hasCrosses | Missouri River NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| height |
approximately 165 feet
ⓘ
approximately 50 meters ⓘ |
| installedCapacity | approximately 320 megawatts ⓘ |
| length |
approximately 10,700 feet
ⓘ
approximately 3,200 meters ⓘ |
| locatedIn |
Gregory County, South Dakota
NERFINISHED
ⓘ
South Dakota NERFINISHED ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| locatedNear | Pickstown, South Dakota NERFINISHED ⓘ |
| locatedOnRiver | Missouri River NERFINISHED ⓘ |
| managedBy | USACE Omaha District NERFINISHED ⓘ |
| namedAfter | Fort Randall NERFINISHED ⓘ |
| nearbyCity |
Lake Andes, South Dakota
NERFINISHED
ⓘ
Wagner, South Dakota NERFINISHED ⓘ |
| numberOfTurbines | 8 ⓘ |
| openingDate | 1956 ⓘ |
| operator | United States Army Corps of Engineers NERFINISHED ⓘ |
| ownedBy |
United States government
ⓘ
surface form:
United States federal government
|
| partOf | Missouri River Mainstem System NERFINISHED ⓘ |
| partOfProject | Pick-Sloan Missouri Basin Program NERFINISHED ⓘ |
| powerPlantType | conventional hydroelectric power plant ⓘ |
| primaryConstructionMaterial |
earth-fill
ⓘ
rolled earth embankment ⓘ |
| provides |
fish and wildlife habitat
ⓘ
shoreline recreation areas ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ irrigation support ⓘ navigation support ⓘ recreation ⓘ |
| regulates | Missouri River flow ⓘ |
| reservoirCapacity | approximately 5,700,000 acre-feet ⓘ |
| reservoirName | Lake Francis Case NERFINISHED ⓘ |
| reservoirSurfaceArea | approximately 102,000 acres ⓘ |
| spillwayType | gated overflow spillway ⓘ |
| upstreamFrom | Gavins Point Dam 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: Fort Randall Dam Description of subject: Fort Randall Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Missouri River in South Dakota, forming Lake Francis Case.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.